Online Journal Systems UNPAM (Universitas Pamulang)
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Balancing Work and Study: The Influence of Stress and Time Management on Student Achievement
No full textThis study aims to analyze the effect of work stress management and time management on the academic achievement of students who study while working. This research employs a quantitative approach using a survey method through questionnaires distributed to 102 respondents. The population of this study consists of evening class students at Pamulang University. Data analysis was conducted using SPSS version 22 with a series of tests, including validity, reliability, normality, multicollinearity, heteroscedasticity, multiple linecoefficient of determination (R²).ar regression, F-test, t-test, and theThe results show that all research instruments were declared valid and reliable. Work stress management and time management significantly affect the academic achievement of working students. This means that both factors play an important role in determining the level of academic success among working students. Partially, time management has the most dominant influence on academic achievement, indicating that the better students manage their time between work and study, the higher their academic performance will be. The implications of this study highlight the importance of implementing effective time management and stress control strategies for working students to achieve optimal academic performance
The Impact of Recruitment and Service Quality on Retail Business Growth Amid Market Competition
No full textThis study aims to analyze the impact of recruitment and service quality on retail business growth amid market competition. Effective recruitment is believed to produce competent human resources, while high-quality service is key to maintaining customer loyalty. This research applies a quantitative method. The sample consists of 100 respondents including employees, supervisors, and customers from retail and service businesses in West Jakarta, South Tangerang, and Tangerang City. Data were analyzed using multiple linear regression assisted by SPSS version 27. The results indicate that recruitment and service quality have a positive and significant effect on business growth. The coefficient of determination (R²) of 0.307 shows that both independent variables explain 30,7% of business growth variation. These findings emphasize the importance of HR strategies and service quality as key factors in achieving competitive advantage
PT BLUE BIRD TBK (BIRD) : ANALYSIS OF FINANCIAL PERFORMANCE ON SHARE PRICES IN THE PERIOD OF STOCK DISPUTES (2021-2023)
No full textThis research aims to understand how financial performance influences the share price movement of PT Blue Bird Tbk (BIRD) during the period of share ownership disputes in 2021–2023. This internal dispute phenomenon is an interesting issue because it occurs in large companies that have long been known to the public and have a stable reputation in the transportation sector. In this research, a quantitative descriptive approach was used without the help of statistical software such as SPSS, but instead used manual analysis of the company's main financial ratios. The data used is secondary data from company annual reports and share prices obtained through public sources from the Indonesia Stock Exchange, but is processed realistically to reflect actual conditions without plagiarizing official data. The research results show that even though BIRD faces pressure due to share ownership disputes, the company is still able to maintain the stability of its financial performance. The improvement in profitability ratios in 2022 and 2023 is directly proportional to the increase in share prices. This research provides an understanding that market trust in a company is not only determined by external situations, but also by management's ability to maintain efficiency, profitability and financial transparency during a crisis
Exploration of Self-Confidence in Students' Self-Concept and Its Impact on Work Competence in the Digital Era
No full textThis qualitative study aims to analyze the in-depth interrelationship between selfefficacy and student self-concept , as well as its implications for the readiness and mastery of work competencies in the digital ecosystem. Using data triangulation (indepth interviews, observations, and document analysis) on pamulang university students, this study focuses on the transition to a professional career. The findings show that self-efficacy is formed from the interaction of internal factors (learning strategies and organizational activity) and authentic external support (lecturers, colleagues, family). Fluctuations in self-efficacy are critically influenced by personal achievement versus social comparison, and are assumed to be fundamental to fostering digital independence. Furthermore, self-concept is internalized through experiential reflection and authoritative feedback. Self-authenticity is achieved when subjects break free from the pressures of social comparison, with professional image strategies centered on ethical consistency and proactive initiative. The synergy between contextual self-efficacy and mature self-concept is directly correlated with the mastery of digital work competencies, such as virtual collaboration and self-upskilling.Theoretically, this study confirms the crucial role of authentic social validation as a counterweight to the destructive impact of digital social comparison pressure. Practical recommendations urge the intervention of structured self-reflection development (through professional guidance) as a priority over technical training, in order to produce innovative and risk-taking graduates in the digital work landscape
PT UNILEVER : ANALYSIS OF SOLVABILITY TRENDS AND FINANCIAL ACTIVITIES DURING 2021-2023
No full textThis study aims to analyze the trends in solvency and activity ratios at PT Unilever (UNVR) during the 2021–2023 period. The solvency ratio is measured by the Debt to Equity Ratio (DER), while the activity ratio is measured by Total Assets Turnover (TAT). The data used is secondary data obtained from the company's annual report published on the Indonesia Stock Exchange. The analysis shows that PT Unilever tbk DER increased from 3.41 times in 2021 to 3.92 times in 2023. This increase indicates the company's increasing reliance on external funding rather than equity, thus increasing financial risk. Meanwhile, the TAT ratio fluctuated, reaching 2.07 times in 2021, rising to 2.25 times in 2022, and then slightly decreasing to 2.16 times in 2023. This indicates that the company's effectiveness in utilizing assets to generate sales remains quite good, although its efficiency declined slightly towards the end of the observation period. Overall, PT Unilever tbk’s financial structure during the 2021–2023 period remained dominated by debt, while asset performance remained stable. The company is advised to strengthen its internal capital structure to reduce dependence on external financing and improve asset management efficiency in generating revenue
Sistem Kontrol Alat Pendeteksi Polusi Udara Berbasis Sensor Gas MQ-135
No full textPencemaran udara menjadi salah satu masalah lingkungan paling serius di era modern akibat pertumbuhan industri, transportasi, serta urbanisasi yang semakin pesat. Polutan berbahaya seperti karbon monoksida (CO), amonia (NH₃), dan benzena berdampak langsung terhadap kesehatan manusia, khususnya sistem pernapasan, dan dapat menimbulkan penyakit kronis hingga menurunkan kualitas hidup. Kondisi ini menuntut adanya alat pemantau kualitas udara yang sederhana, murah, dan praktis digunakan oleh masyarakat. Penelitian ini bertujuan merancang dan membangun perangkat pendeteksi polusi udara berbasis sensor gas MQ-135 dengan Arduino UNO sebagai pengendali utama. Sistem dirancang tanpa modul Wi-Fi maupun aplikasi pihak ketiga, melainkan menampilkan data langsung pada LCD dan menyimpannya ke microSD dalam format CSV untuk analisis lanjutan. Sebagai fitur tambahan, alat dilengkapi buzzer yang berbunyi ketika polutan melebihi ambang batas, sehingga pengguna dapat segera mengetahui kondisi udara yang buruk. Uji coba dilakukan di SMKN 1 Ciruas pada area parkir, lapangan, dan ruang kelas. Hasil pengujian menunjukkan tingkat akurasi rata-rata sebesar 87% dibandingkan instrumen laboratorium standar. Dengan biaya rendah dan kemudahan penggunaan, alat ini dapat dijadikan solusi praktis untuk membantu masyarakat, sekolah, maupun instansi lain dalam memantau kualitas udara di lingkungan sekitarnya
Pendidikan Karakter Berbasis Nilai-Nilai Toleransi
No full textABSTRAK
Indonesia adalah negara besar, heterogen dan majemuk. Pentignya toleransi di Indonesia agar menjadi negeri yang damai dan rukun diatas perbedaan yang ada. Penelitian ini mengenai pendidikan karakter religius berdasarkan nilai-nilai Toleransi yang diambil dari sirah nabawiyah. Tujuan penelitian ini untuk mengetahui kisah-kisah apa saja yang mengandung nilai-nilai toleransi di dalam kisah Nabi Muhammad SAW sebagai dasar penguatan pendidikan karakter religius. Metode Pengumpulan Data Metode pengumpulan data yang dipakai dalam penelitian ini adalah metode studi pustaka (Library Research) yaitu teknik pengumpulan data yang tidak langsung ditujukan pada subyek penelitian, melainkan melalui beberapa buku, dapat berupa, buku-buku, majalah-majalah, pamphlet, dan bahan documenter lainnya. Hasil dari penelitian Pendidikan karakter berbasis nilai-nilai toleransi dalam kisah Nabi Muhammad SAW ketika mengembali kambing, kisah ketika membawa dagangan yang berbeda suku, Kisah bersama pemuka Nasrani Waraqah bin Naufal dan Rahib Buhaira. Kisah bersama paman-pamannya dan orang yang lebih tua di kalangan Quraisy dan kisah bersama ketua kabilah ketika meletakkan Hajar Aswad.
Kata Kunci: Pendidikan Karakter, Nilai-nilai, Tolerans
Model Matematis Bioadsorben dari Tongkol Jagung Termodifikasi Belimbing Wuluh sebagai Pengolahan Limbah Logam Cu Artifisial
No full textHarmful pollutants found in waste include the heavy metal Cu (Copper). Methods that can be used to reduce the heavy metal content of copper include the adsorption process. This adsorption methods was chosen because this process does not produce toxins and the raw materials for adsorbent are more economical such as corn cobs. Corn cobs have a carbon content of 43,42% and have a sufficiently high porous structure. This research aims to determine a compatible mathematic model on the process of adsorption of Cu waste with corn cobs bioadsorbent. The process of making bioadsorbents uses star fruit organic matter as an activator to increase absorption of copper heavy metals. The copper heavy metal adsorption process is carried out by adding the bioadsorbent to artificial liquid waste with adsorbent mass variations of 2.5, 5, 7.5, 10, 12.5 grams and varying harvesting times from 40 to 120 minutes. The results of the analysis using the Atomic Absorption Spectrophotometry (AAS) method revealed that the percentage of copper metal absorption by the best bioadsorbent is 89.55%. This percentage was observed with an adsorbent mass addition of 12.5 grams and a contact time of 120 minutes. Based on the calculations of the mathematical model of heavy metal Cu adsorption by activated carbon from corn cobs using the Langmuir Isotherm model, the resulting equation is y = 0.5497x + 9.968 with a value of R²= 0.994.  
Performance Analysis of a Two-Stage Savonius Rotor Using Numerical Methods
No full textThe POCREN system is a hybrid renewable energy device that integrates wind, solar, and water current energy sources to generate electrical power. The main objective of developing POCREN is to provide a sustainable electricity supply, particularly for floating fish farmers in coastal regions where the average wind speed ranges from 3 to 5 m/s. Currently, most floating cage farmers rely heavily on diesel engines to meet their electricity needs, which are costly and environmentally unsustainable. This study focuses on one of the key components of the POCREN system, namely a two-stage Savonius wind turbine, to evaluate its performance in power generation. The analysis was conducted numerically using ANSYS Fluent software. The results show that the maximum power coefficient (Cp) of the two-stage turbine was achieved at a wind speed of 5 m/s with a tip speed ratio (TSR) of 0.7, yielding a Cp value of 0.26. At a lower wind speed of 3 m/s, the maximum Cp reached 0.22 at the same TSR of 0.7. Pressure contour analysis indicates that the two-stage Savonius turbine can operate effectively at low wind speeds of approximately 3 m/s. The pressure distribution shows higher pressure on the concave side of the advancing blade compared to the convex side, generating torque that drives rotor rotation. This confirms that the two-stage configuration enhances torque continuity and enables stable operation under low wind conditions. Based on these findings, the two-stage Savonius turbine in the POCREN system is suitable for renewable energy applications in coastal environments, offering a promising alternative to reduce dependence on diesel-powered generators for floating fish farming activities
Utilization of Coconut Shells as a Source of Graphene Nanosheets Fe/N-GNS for Environmentally Friendly Primary Battery Electrodes
No full textThe research on the performance of carbon (C)/d-orbital metals (graphite/graphene, graphene/N-graphene, graphite/Fe-graphene, graphite/Fe-N-graphene, and graphene/Fe-N-graphene) in primary battery electrode systems was carried out using a simple technology by mixing coconut shell powder with N and Fe. The purpose of this study was to determine the preparation method of Fe/GNS and Fe/N-GNS electrodes and to evaluate the performance of the electrolyte on electron distribution in Fe/GNS and Fe/N-GNS electrodes as primary battery anodes based on electrical conductivity values. This research was conducted as a laboratory experimental study. GNS and N-GNS were synthesized using a modified Hummers method, while Fe/GNS and Fe/N-GNS electrodes were synthesized using the impregnation method. GNS, N-GNS, Fe/GNS, and Fe/N-GNS after electrolyte combination were characterized using SEM–EDX and a multimeter, respectively. The SEM–EDX results at 170 °C and 500–600 °C showed a folded and wrinkled graphene structure with dispersed Fe (5.3 wt% by EDX), dominated by C and O. The addition of Fe–NH₃ acted as a catalyst to form more regularly structured graphite. The DHL test showed the highest electrical conductivity (~51,400 at 40 V) for Fe-N-GNS samples synthesized at 170 °C and 600 °C, which were identified as the most optimal synthesis conditions