International Journal of Science, Technology & Management (IJSTM)
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The Influence of Participative Leadership, Proactive Personality and Knowledge Sharing on Innovation Work Behavior in The Creative Industry
No full textThe purpose of this research is to explore how Participative Leadership, Knowledge Sharing, and Proactive Personality influence Innovative Work Behavior in employees who are graduates from creative industries in Jakarta. The research was conducted on 154 respondents who met the research criteria, by distributing questionnaires online. The data processing method uses SEM PLS. The research results show that Participative Leadership has an influence on Knowledge Sharing. However, Participative Leadership has no effect on Innovative Work Behavior. Proactive Personality has an influence on Knowledge Sharing, Proactive Personality has an influence on Innovative Work Behavior, and Knowledge Sharing has a role that can influence Innovative Work Behavior in employees
The Impact of Carbon Emission Disclosure On Firm Value With Sustainability Performance As A Mediating Variable: Evidence From Palm Oil and Mining Companies In Indonesia
Full text linkThis study aims to analyze the impact of carbon emission disclosure on firm value, with sustainability performance as a mediating variable. This study focuses on palm oil and mining companies listed on the Indonesia Stock Exchange (IDX) with 105 data points for the period 2019–2023. Carbon emission disclosure is a form of corporate transparency in managing environmental impacts and is increasingly a major concern for stakeholders, particularly investors. However, the direct relationship between carbon emission disclosure and firm value remains a gap in various previous studies. This study used a panel data regression with a fixed effects model equipped with robust standard errors (clustered by company). Carbon emission disclosure is measured using the Global Reporting Initiative (GRI) 305: Emissions index, Sustainability performance with Environmental, Social, and Governance (ESG) score as the proxy for sustainability performance, and firm value by the Tobin's Q ratio. The results indicate that carbon emission disclosure has a direct effect on firm value. However, ESG in this study does not mediate the relationship between carbon emission disclosure and firm value. The implications of this research are expected to be a reference for companies in increasing sustainability transparency and for regulators in formulating policies for carbon emission disclosure and its incentive mechanism
The Effectiveness Of Shampoo Based On Kaffir Lime Leave Extract (Citrus Hystrix DC) And Lime Leave (Citrus Aurantifolia) As Natural Protection Against Head Lice
Full text linkPediculus humanus capitis is one of the problems that can interfere with human health. To overcome this, alternative treatments other than commercial shampoos are needed that can harm humans. The selection of shampoo from natural ingredients can be an alternative, namely Kaffir lime leaf shampoo (Citrus hystrix DC) and lime leaf shampoo (Citrus aurantifolia). The purpose of this study was to determine the characteristic properties of anti-head lice shampoo and determine the optimum concentration of kaffir lime leaf extract and lime leaf extract against head lice mortality. Based on the results of research for phytochemical screening show that the extract contains flavonoid compounds, saponins, alkaloids, triterpenoids, and tannins. The characteristics of shampoo preparations are that they have a blackish-green shampoo color, a distinctive aroma of orange leaves, and a thick form. In addition, a normal pH of 5-6, viscosity of 100-6000 cP, and foam height of 4-6 cm is obtained. Effectiveness tests against head lice were obtained at an optimum concentration of 5% for both kaffir lime leaf extract and lime extract. This shows the good potential of natural ingredients kaffir lime leaves and lime leaves as the basic ingredients of anti-shampoo lice
Design And Construction Of Automatic Transfer Switch (ATS) System With Backup Control System In Hybrid Power Plant (PLN - PLTS - GENSET)
Full text linkPLN's electricity supply is not always continuous in the process of distributing power, because under certain conditions there will be blackouts caused by interruptions or maintenance in the distribution system. An alternative to overcome PLN disturbances is to use renewable sources such as solar power plants and generators with an ATS automatic control system controlled using PLC. This study conducted a literature study to collect relevant theories and references about this research. PLC diagram leaders are designed for the process of transferring PLN, PLTS and Generator to load electrical power. Solar power plants operate during disruptions to PLN resources during operational hours (10 a.m. – 3 p.m.) and generators operate when solar power resources cannot supply to the load and at night outside solar power plant operating hours. The ATS system is able to switch the process of switching PLN and PLTS power sources very quickly without any time lag so that the load is directly supplied by PLN and PLTS power sources. The process of switching the generator source takes approximately 2 seconds for the starting process. The process of transferring battery power resources to critical loads without any time lag during the generator starting process and when generator starting failure occurs. 
The Influence of Perceived Organizational Support and Work Life Balance on Work Engagement (Case Study at PL PLN (Persero) UPT Karawang)
No full textPLN UPT Karawang is responsible for managing electricity transmission assets across the regions of Karawang, Bekasi, Purwakarta, and Subang, with a total capacity of 6,530 MVA from 60 transformer units, serving 17 high-voltage consumers. By the end of 2024, this unit had fulfilled only 95.14% of its workforce requirements, which may lead to excessive workloads, reduced work-life balance, and increased risks of fatigue and declining employee well-being. Furthermore, a drop in the work engagement index from 89.74% in 2022 to 88.89% in 2023, along with suboptimal achievements in the Work Condition and Recognition dimensions, reflects potential weaknesses in organizational support and recognition for employees. This decline indicates a weakening in leadership quality, supervision, and organizational culture, which can negatively affect employee motivation, job satisfaction, and loyalty. Additionally, a reduced sense of meaningfulness in work and worsening working conditions may lower productivity and increase stress levels.This study aims to analyze the influence of direct supervisor support and work-life balance on employee work engagement at PLN UPT Karawang. Data were collected through a questionnaire using a 1–5 scale and analyzed using the Partial Least Squares method within the Structural Equation Modeling framework. The results indicate that both organizational support and work-life balance have a significant influence, both partially and simultaneously, on work engagement. The coefficient of determination value of 0.406 suggests that 40.6% of work engagement is explained by these two variables, while the remaining 59.4% is influenced by other factors. This study is limited by the scope of respondents and variables, so future research is recommended to broaden the population and include other variables such as leadership, organizational culture, and psychological well-being to gain a deeper understanding
The Effect Of Service Quality On Customer Satisfaction, Attitude, And Loyalty Of Pt Pln (Persero) Up3 Rantauprapat
No full textPLN stands for PT Perusahaan Listrik Negara (Persero), which is the largest electricity service provider in Indonesia. PLN is a State-Owned Enterprise (BUMN) that plays an important role in providing electricity to the community and industry throughout Indonesia. Every region in Indonesia has a PLN office that functions to serve every community that is a customer of PLN itself, one of which is in the Rantauprapat area which has a PLN (Persero) UP3 Rantauprapat office with many Customer Service Units (ULP) spread across each region as many as 8 customer service units, namely ULP Tanjung Balai, ULP Simpang Kawat, ULP Aek Kanopan, ULP Aek Kota Batu, ULP Rantauprapat Kota, ULP Aek Nabara, ULP Labuhan Bilik and ULP Kota Pinang and with a total of registered customers as many as. However, behind the large number of customers, there are many complaints submitted by customers of PT PLN (Persero) UP3 Rantauprapat which indicate that PT PLN (Persero) UP3 Rantauprapat provides poor service quality which will affect user satisfaction, attitude and loyalty. The purpose of this study is to determine the quality of service from PT PLN (Persero) UP3 Rantauprapat which is perceived by looking at the quality of service, satisfaction, attitude and loyalty of PT PLN (Persero) UP3 Rantauprapat customers. This study uses a quantitative method using a questionnaire using a google form which is distributed to respondents using a purposive sampling technique. Valid and reliable data from 419 respondents were analyzed using structural equation modeling with the help of SmartPLS 4.1.1.2. The results of the study show that the response from respondents for all dimensions and variables has a very good value. Statistical tests show that the Service Quality variable has a significant positive effect on Satisfaction, the Service Quality variable has a significant positive effect on Loyalty, the Satisfaction variable has a significant positive effect on Attitude, the Satisfaction variable has a significant positive effect on Loyalty, the Satisfaction variable has a significant positive effect on Attitude, the Attitude variable has a significant positive effect on Loyalty. The determination coefficient using R-Square shows that there is an influence of Satisfaction of 82.3% on Attitude, an influence of Service Quality of 78.8% on Loyalty, an influence of Service Quality of 78.5% on Satisfaction. The results of this study suggest to PT PLN (Persero) UP3 Rantauprapat to improve the quality of service to customers as a whole, including standardizing uniforms and official vehicles for each officer who directly interacts with customers and conducting socialization of the reporting flow according to the right field to answer customer needs so that it can improve the assessment of the quality of service provided
The Influence of Occupational Safety, Health, And Security Standards On Increasing The Productivity of High-Rise Building Glass Cleaning Workers
No full textOccupational Safety and Health (OHS) is a crucial element in the modern workplace, particularly in high-rise building cleaning, as effective OHS implementation has been proven to reduce workplace accident rates and simultaneously increase workforce productivity. This study aims to analyze how the implementation of OHS management and VR-AR-based OHS training can affect workplace accident rates and ultimately impact low work productivity due to the high number of falls from height. This study uses a quantitative approach with the Partial Least Squares Structural Equation Modeling (PLS-SEM) method. The subjects in this study included employees who had worked for more than 4 months in the field of high-rise building cleaning in the West Jakarta area. To obtain an appropriate number of respondents, the data collection process was carried out through the distribution of online questionnaires using Google Forms. The instrument trial stage was carried out involving 30 respondents for the initial test, while the total data collected during the main questionnaire filing stage amounted to 130 respondents. The results of the study indicate that the Implementation of OHS Requirements, OHS Management, and VR-AR-Based OHS Training have an impact on Workplace Accidents. Meanwhile, the Implementation of K3 Requirements, VR-AR Based K3 Training, and Work Accidents have an impact on Productivity
The Effect of Person-Job Fit And Work-Life Balance As Well As Job Involvement on The Performance of Employees of The Ombudsman of The Republic of Indonesia At The Representative office
No full textThis study aims to analyse the influence of Person Job Fit and Work Life Balance as well as Job Involvement on Employee Performance at Representative Offices. At the Indonesian Ombudsman, Assistant Ombudsmen are employees who support the Ombudsman in carrying out their supervisory functions in the provision of public services. The influence between variables was measured using the Structural Equation Modelling - Partial Least Square 4 approach. Data was collected by distributing questionnaires to 48 Ombudsman employees (Assistants) at the Representative Office. The results of the study indicate that Person Job Fit has a significant influence on Job Involvement and Employee Performance. Work-Life Balance also shows a significant influence on Employee Performance but does not show a significant influence on Job Involvement. While Job Involvement can act as a mediator between Person-Job Fit and Employee Performance, it cannot act as a mediator between Work-Life Balance and Employee Performance. Thus, job fit, which includes skills, interests, values, experience, and expectations, can help an Ombudsman employee achieve their individual performance. The achievement of performance from this job fit can also be supported through Job Involvement from the aspects of emotional involvement, cognitive involvement, work motivation, and job satisfaction
ESP32-Based Real-Time Blood Typing Detection for Emergency and Rural Use
No full textAccurate blood group identification is essential in emergency medical care, especially in rural or remote areas with limited access to laboratory facilities. This paper presents the design and development of a low-cost, real-time blood typing detection device focused on the ABO blood group system. The device utilizes an ESP32 microcontroller to process optical input signals based on agglutination reactions between blood samples and antisera. Measurement results are displayed directly on an LCD screen, providing immediate and easy-to-read feedback without the need for internet connectivity or external devices. The system is compact, portable, and user-friendly, making it ideal for use in field operations, mobile clinics, or basic healthcare units. Initial testing shows the device is capable of accurately determining blood types A, B, AB, and O in real-time, supporting rapid decision-making in critical situations
The Effect of Rainfall Anomalies on the Productivity of Clove Plants (Syzygium aromaticum) and Management Strategies in Southeast Sulawesi
No full textClimate change has caused rainfall anomalies that have an impact on decreasing the productivity of clove plants (Syzygium aromaticum). This study aims to analyze extreme rainfall anomalies in North Buton Regency and Kolaka Regency, assess its impact on the productivity of clove plants (Syzygium aromaticum), and formulate management strategies that can be applied to increase crop yields. The method used is a quantitative descriptive approach with linear regression analysis to determine the relationship between rainfall and clove productivity. The research population is clove farmers in North Buton Regency and Kolaka Regency, with a sample of three farmers in each village where the research is located. Rainfall data was obtained from the Betoambari Bau-Bau Meteorological Station and the Sangia Nibandera Kolaka Meteorological Station during the 2009–2023 period, while clove crop productivity data was obtained from farmer surveys and reports from the Central Statistics Agency. The results of the study show that North Buton Regency has an average annual rainfall of 1,971 mm with slightly wet climate characteristics (Type C), while Kolaka Regency has an average annual rainfall of 1,973 mm with wet climate characteristics (Type B). Based on the evaluation of the suitability of the rainfall land, it is included in the S1 category (very suitable). Regression analysis showed that rainfall had a less significant relationship with the productivity of clove plants. The results of the regression analysis showed that the determination coefficient (R2) of North Buton Regency was 12.59% and Kolaka Regency was 14.21%. Recommended management strategies to deal with rainfall anomalies in Kolaka Regency include improving drainage systems, soil management and conservation, and environmental sanitation. Meanwhile, in North Buton Regency, it includes the provision of irrigation, the use of mulch and the provision of organic matter