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All Journal Jurnal Diskursus Islam Jurnal Analis Kesehatan Al Mi’yar: Jurnal Ilmiah Pembelajaran Bahasa Arab dan Kebahasaaraban Jurnal Locus Penelitian dan Pengabdian Journal of Engineering Environtmental Energy and Science Innovative: Journal Of Social Science Research Jurnal ICT : Information and Communication Technologies IIJSE Jurnal Media Analis Kesehatan Lontara Journal Of Health Science And Technology Media Implementasi Riset Kesehatan
Pratama, Ridho
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The Influence of Workload, Work Stress, Organizational Culture, and Work Environment on Job Performance at Employees of PT. Bank Sumut Syariah Deli Serdang Area Pratama, Ridho; Nurlaila, Nurlaila; Lathief Ilhamy Nasution, Muhammad
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 6 No 3 (2023): Sharia Economics
Publisher : Sharia Economics Department Universitas KH. Abdul Chalim, Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v6i3.3891

Abstract

This study aims to examine the effect of workload, work stress, organizational culture and work environment on job performance. This research was conducted at the sub-branch office of the Bank Sumut Syariah which is located in the Deli Serdang area, namely in Lubuk Pakam, Limau Manis, and Hamparan Perak. Researchers took the entire population with a total of 35 people as research respondents. This research method uses quantitative research using an associative approach, data collection techniques using a questionnaire. The data obtained were analyzed using the multiple linear regression method. The results showed that workload had a positive and significant effect on job performance. It can be seen from the results of data processing the Workload variable tvalue 2.374 > ttable 2.042. As for the variables Work Stress,­ 2.042, Organizational Culture variable value of 1.069 < t­table 2.042, t value the Work Environment variable is 0.783 < ttable 2.042. The results of the simultaneous test hypothesis show that Workload, Work Stress, Organizational Culture and Work Environment simultaneously affect Job Performance. This can be seen from the calculated Fvalue of 3.908 > Ftable 2.68.
Variasi Waktu Penyimpanan Tape Ketan Putih (Oryza sativa linn var glutinosa) dan Ketan Hitam (Oryza sativa linn varforma glutinosa) Terhadap Peningkatan Kadar Etanol dan Pertumbuhan Jamur Saccharomyces cerevisiae Artati, Artati; Armah, Zulfian; Mursalim, Mursalim; Djasang, Syahidah; Pratama, Ridho
Jurnal Media Analis Kesehatan Vol 16 No 2 (2025): JURNAL MEDIA ANALIS KESEHATAN
Publisher : Potekkes Kemenkes Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32382/jmak.v16i2.1917

Abstract

Tape adalah makanan fermentasi tradisional yang memiliki ciri khas yaitu manis, alkoholik (etanol) dan asam. Bahan dasar tape berupa beras ketan yang ditambahkan ragi. Ragi berperan penting mengubah pati yang terkandung dalam beras menjadi senyawa-senyawa fermentasi. Pada proses fermentasi tape terjadi pemecahan karbohidrat menjadi glukosa kemudian terurai menjadi etanol. Sampel penelitian berupa tape ketan putih dan hitam dengan lama fermentasi 2 hari, yang dilanjutkan dengan variasi masa simpan suhu ruang selama 3–10 hari. Penelitian ini bertujuan untuk mengetahui pengaruh suhu ruang terhadap kadar etanol dan pertumbuhan jamur Saccharomyces cerevisiae pada penyimpanan tape ketan putih (Oryza sativa linn var glutinosa) dan ketan hitam (Oryza sativa linn var forma glutinosa). Penelitian ini menggunakan metode eksperimen laboratorik dengan variasi lama penyimpanan pada suhu ruang 25-30°C selama 2 hingga 10 hari. Parameter yang diamati meliputi kadar etanol dan pertumbuhan jamur Saccharomyces cerevisiae yang diukur menggunakan metode distilasi dan media Sabouraud Dextrose Agar (SDA). Hasil penelitian menunjukkan etanol pada tape ketan putih meningkat hingga hari ke-7 dengan puncak 2,82%, kemudian menurun. Sedangkan pada tape ketan hitam etanol meningkat secara konsisten hingga hari ke-10 mencapai 3,60%. Jamur Saccharomyces cerevisiae didapatkan pada kedua jenis tape. Uji anova menunjukkan tidak ada perbedaan signifikan kadar etanol antara kedua jenis tape (p=0,812). Penelitian ini memberikan kontribusi pada pemahaman mikrobiologi mengenai pengaruh suhu penyimpanan terhadap profil fermentasi lanjut dan stabilitas kualitas tape ketan, serta menjadi acuan dalam menentukan titik optimal keamanan pangan berbasis fermentasi tradisional.
Potensi Limbah Udang Sebagai Media Alternatif Pengganti Pepton Pada Media Mannitol Salt Agar Untuk Isolasi Staphylococcus aureus Ali Hasan, Zulfikar; Abduh, Windah Zufiyani; Pratama, Ridho; Herman, Herman
Jurnal Media Analis Kesehatan Vol 16 No 2 (2025): JURNAL MEDIA ANALIS KESEHATAN
Publisher : Potekkes Kemenkes Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32382/jmak.v16i2.1948

Abstract

Mannitol Salt Agar (MSA) digunakan sebagai media selektif dan diferensial untuk isolasi Staphylococcus aureus Salah satu komponen utama MSA adalah pepton yang berfungsi sebagai sumber nitrogen dan nutrisi penting untuk menunjang pertumbuhan bakteri. Pepton komersial memiliki harga yang relatif mahal dan umumnya masih bergantung pada impor. Pepton dapat diperoleh dari bahan alam yang kaya protein. Limbah udang memiliki kandungan protein tinggi, sehingga berpotensi menjadi sumber nutrisi alternatif bagi pertumbuhan bakteri, jumlahnya melimpah dan mudah diperoleh, serta merupakan limbah organik yang belum dimanfaatkan secara optimal. Penelitian bertujuan untuk mengetahui potensi limbah udang sebagai bahan alternatif pengganti pepton dalam media MSA. Metode penelitian true eksperiment dilaksanakan pada tanggal 5 sampai 26 Mei 2025 di Laboratorium Mikrobiologi Poltekkes Kemenkes Makassar. Pengambilan sampel secara purposive sampling berdasarkan kriteria. Limbah udang diolah menjadi pepton melalui proses hidrolisis enzimatis menggunakan enzim papain. Pepton hasil hidrolisis kemudian diformulasikan ke dalam media alternatif MSA dengan 3 variasi konsentrasi yaitu 0,5%, 0,75%, dan 1%. Efektivitas Media Alternatif MSA diuji menggunakan biakan murni Staphylococcus aureus dengan MSA komersil sebagai kontrol uji. Pengulangan sebanyak 3 kali dilakukan pada setiap perlakuan sampel. Hasil penelitian menunjukkan bahwa media Alternatif MSA yang diformulasikan dengan pepton dari limbah udang mampu mendukung pertumbuhan Staphylococcus aureus dengan Jumlah rata-rata koloni 209x10-1 CFU/mL pada media alternatif MSA konsentrasi 1%, 231x10-1 CFU/mL pada media alternatif MSA konsentrasi 0,75%, 233x10-1 CFU/mL pada media alternatif MSA konsentrasi 0,5% dan 250x10-1 CFU/mL pada MSA Kontrol. Limbah udang berpotensi sebagai bahan alternatif pengganti pepton pada media MSA yang lebih ekonomis dan berkelanjutan.
Proposed Business Strategy of Joint Operation with the Implementation of New Terms & Conditions in Pertamina EP Regional 1 Wandebori, Harimukti; Pratama, Ridho
Jurnal Locus Penelitian dan Pengabdian Vol. 5 No. 2 (2026): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v5i2.5006

Abstract

Indonesia’s upstream oil and gas sector serves as a cornerstone of national energy security, with Pertamina EP (PEP) acting as one of the primary contributors through its extensive cooperation contract areas. In 2023, PEP achieved significant milestones, including 159.12 MMBOE in 2C contingent resource discoveries and a 217% increase in proven reserves compared to the previous year. To accelerate production and strengthen collaboration, PEP engages in Joint Operating Agreements (JOAs) with joint venture partners—structured partnerships aligned with the Production Sharing Contract (PSC) framework under the supervision of SKK Migas. While the JOA model has facilitated shared investment, expertise, and operational responsibilities, its current terms and conditions are perceived as outdated and overly stringent, thereby limiting partner eligibility, discouraging investment, and concentrating production risk on joint venture partners. This study addresses these challenges by proposing a revised business strategy for joint operations under new JOA terms and conditions designed to create a more balanced, attractive, and performance-driven framework. The research employs stakeholder analysis, internal and external business environment assessment, and strategic formulation models to identify opportunities for improvement. Data collection involves Focus Group Discussions (FGDs) with Subject Matter Experts (SMEs) and secondary sources, including operational records, internal reports, and relevant literature. Findings indicate that implementing the proposed terms and conditions—focused on fair cost recovery, equitable risk sharing, and an adjusted production split—can enhance operational efficiency, increase investor confidence, and align stakeholder interests. This study contributes a strategic roadmap for PEP to strengthen partnerships, improve production outcomes, and sustain competitiveness in Indonesia’s dynamic oil and gas industry.
Analisis Ma’Anil Hadis Tasyabbuh dalam Batasan Qaza’ Pada Rambut Laki-Laki: Telaah Kritis terhadap Pemaknaan dan Konteks Pratama, Ridho; Mugiyono; Nurchalidin
Jurnal Diskursus Islam Vol 14 No 1 (2026): Jurnal Diskursus Islam
Publisher : Program Pascasarjana, UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A study of hadiths regarding tasyabbuh and the prohibition of qaza’ is relevant amid the rising trend of men’s hairstyles influenced by global popular culture. This study aims to analyze the meaning of hadiths on tasyabbuh within the context of qaza’ through the ma‘ānī al-ḥadīṡ approach by examining the text (matan), chain of transmission (sanad), historical context, and its relevance today. The method used is a qualitative approach based on library research, with the primary source being the hadith narrated by al-Bukhari, supplemented by references to classical commentaries and contemporary scholarly studies. The results of the study indicate that the hadith prohibiting qaza’ is authentic and emerged from a concrete social context as a guideline for ethical appearance. Linguistically, qaza’ means trimming part of the hair while leaving the rest, reflecting an aesthetic imbalance. Scholars classify it as makruh tanzīh, not haram, as it is not accompanied by a threat of punishment. The wisdom behind the prohibition includes neatness, preventing imitation of non-Muslims, and avoiding ostentation. In the modern context, hairstyles are no longer symbols of a specific religious identity; therefore, the interpretation of the hadith must be conducted contextually through the approaches of fiqh al-awlawiyyāt and maqāṣid al-syarī‘ah. Thus, the hadith on qaza’ is understood as a guideline for ethical appearance that emphasizes balance, simplicity, and a proportionate Muslim identity, rather than an absolute restriction on hairstyle creativity.
Design and Development of an IoT-Based Ground Vibration Monitoring System with Landslide Potential Classification Using SVMDesign and Development of an IoT-Based Ground Vibration Monitoring System with Landslide Potential Classification Using SVM Pratama, Ridho; Tanjung, Mahardika Abdi Prawira
Jurnal ICT : Information and Communication Technologies Vol. 17 No. 1 (2026): April, Jurnal ICT : Information and Communication Technologies
Publisher : Marqcha Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/jict.v17i1.322

Abstract

Landslides are natural disasters that can cause casualties, environmental damage, and infrastructure losses. One challenge in landslide mitigation is the limited availability of monitoring systems that can provide fast, real-time, and interpretable information about ground conditions. This study aims to design and develop an Internet of Things (IoT)-based ground vibration monitoring system with landslide potential classification using Support Vector Machine (SVM). The system uses an MPU6050 sensor to acquire ground vibration data and an ESP8266 microcontroller to transmit data through a Wi-Fi network to a server. The collected data are processed through preprocessing, windowing, feature extraction, and standardization before being classified into three condition categories: Safe, Alert, and Danger. The classification results are displayed on an LCD, visualized through a web dashboard, and used to activate a relay as a warning mechanism when a dangerous condition is detected. The testing results show reliable data transmission with a 100% delivery success rate in the observed test and an average latency of approximately 0.3 seconds. The SVM model achieved 99.79% accuracy, with high precision, recall, and F1-score for all classes. Therefore, the proposed prototype can support ground vibration monitoring and early landslide warning efforts more effectively.
Co-Authors Abduh, Windah Zufiyani Adam, Alfira Alvio JH, Depaty Artati, Artati Djasang, Syahida Djasang, Syahidah Hapzi Ali Hari Antoni Musril Harimukti Wandebori Hasan, Zulfikar Ali Husnul Khatimah Khofifah, Nuriah Lathief Ilhamy Nasution, Muhammad M. Yogi Riyantama Isjoni Mahardika Abdi Prawira Tanjung Mugiyono Muhammad Nasir Mursalim Mursalim Murtaji, Mutiara Ramadani nuradi, nuradi Nurazim, Okitra Asri Nurchalidin Nurlaila Nurlaila Putri Shabrina, Azizah Rafika Rafika Rahmatan, Madah Riri Okra Salsabila Andini, Zhafira Sani, Nurhikmah Sarwo Derta Sitti Hadijah, Sitti Syamsiar, Syamsiar Tandjungbulu, Yaumil Wagino WIDARTI WIDARTI Yaumil Fachni Tandjungbulu Zulfian Armah