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Determining The Dynamics of The Petroleum Buffer Reserve of Indonesia Prima, Andry; Moengin, Parwadi; Astuti, Pudji; Sari, Emelia; Nugrahanti, Asri; Jawaid Butt, Osama
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.1987

Abstract

This study develops an integrated system dynamics and probabilistic Monte Carlo simulation framework to evaluate Indonesia’s Petroleum Buffer Reserve (PBR) strategy in alignment with Perpres 96/2024 and the nation’s broader energy security agenda. Monte Carlo simulation results reveal that only the scenario characterized by full import availability is capable of achieving the mandated 10.17-million-barrel reserve target, while all other scenarios consistently fail to accumulate sufficient stock under uncertainty. The probabilistic analysis further shows that this scenario yields a probability exceeding 98% of meeting or surpassing the target, in contrast to the near-zero success rates observed under restricted import conditions. Days-of-cover optimization highlights an additional strategic vulnerability: the current PBR target corresponds to only about 12 days of crude import protection. Building on the system’s dynamic behavior, this study recommends a minimum reserve target of 30 days as an immediately achievable benchmark. A 60-day reserve is identified as a feasible medium-term objective, provided that replenishment rates and storage capacity are enhanced. Achieving a 90-day reserve, consistent with international strategic stockpiling standards, would require substantial investment and diversification of supply sources. These findings underscore Indonesia’s structural dependence on imported crude oil and emphasize the need for assertive replenishment policies to strengthen national energy resilience
Menjelajahi Praktik Budaya Idul Fitri di Indonesia: Pengalaman Belajar bagi Komunitas Muslim Kamboja Akbari, Annisa Dewi; Sari, Emelia; Rinanti, Astri; Burhannudinnur, Muhammad; Choirunnisa, Hasna; Saputra, Chaerudin; Clara, Clara
Abdimas Galuh Vol 8, No 1 (2026): Maret 2026
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v8i1.23346

Abstract

Komunitas Muslim di Prek Pra, Chbar Ampov, Phnom Penh, Kamboja merupakan kelompok minoritas yang menghadapi keterbatasan akses informasi dan pembelajaran lintas budaya keagamaan, sehingga literasi mengenai ragam praktik Idul fitri internasional masih terbatas. Kegiatan Pengabdian kepada Masyarakat (PkM) Internasional Universitas Trisakti bertujuan memperluas wawasan dan memperkuat identitas sosial-keagamaan komunitas melalui edukasi budaya Idul fitri Indonesia. PkM dilaksanakan pada 2 Desember 2025 dengan mitra komunitas Muslim di Kamboja. Metode pelaksanaan menggunakan model Teach–Visualize–Discuss–Sustain (TVDS) melalui penyuluhan terstruktur, presentasi visual, diskusi interaktif, serta penyerahan learning kit (poster) untuk keberlanjutan pembelajaran. Evaluasi dilakukan menggunakan indikator partisipasi, pemahaman dan kepuasan melalui post test. Kegiatan diikuti 15 peserta dengan capaian 100% peserta mengikuti kegiatan hingga selesai, 80% peserta aktif berdiskusi, dan 90% peserta mampu menyebutkan tradisi Idul fitri Indonesia beserta maknanya. Hasil pre–post test menunjukkan peningkatan pemahaman dan kesiapan peserta memanfaatkan materi untuk pembelajaran lanjutan. Kegiatan ini menghasilkan luaran tambahan berupa sertifikat HKI, publikasi media massa nasional, dan publikasi video.
Circular Business Model: Development of Reusable Camera to Reduce E-Waste from Disposable Camera Sasongko, Agung; Sari, Emelia; Rubiyanto, Raihan Cecarrio; Akbari, Annisa Dewi; Sunaryo, Thalia; Rinanti, Astri; Mamat, Tengku Nur Azila Binti Raja
INFOMATEK Vol 28 No 1 (2026): Juni 2026 (In Progress)
Publisher : Fakultas Teknik, Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/infomatek.v28i1.42912

Abstract

An increase demand for reusable cameras among the millennial and Z-generation in Indonesia has created a significant environmental dilemma, considering the consequently increasing production of electronic waste. Although the principle of circular economy has been adapted in various electronic industry sector, its implementation in particularly the camera industry is still left to explore. This study aims to design and validate a comprehensive circular business model for reusable cameras in Indonesia that can measurably reduce electronic waste from disposable cameras while maintaining economic and environmental value creation To achieve this objective, the study applies a circular business model canvas integrated with a qualitative case study on reusable camera usage in Indonesia, a systematic literature review on circular economy practices in the electronics sector, and a product sustainability assessment using quantitative metrics. This paper concludes that the proposed circular business model for reusable cameras represents the most suitable development option because it simultaneously reduces e‑waste from disposable cameras and enhances economic and environmental value creation in Indonesia. This study also develops three hybrid business model strategies – ‘ownership plus, ‘try-before-you-buy’, and ‘community-based ownership pools’ – all of which accommodate consumer ownership preferences in Indonesia while maintaining the circular economy principles. This paper concludes by highlighting the operability of the circular business model for camera and its potential contribution to the sustainable development goals. This notwithstanding, its implementation requires multi-stakeholder collaboration, investments in digital infrastructure, capacity building, and government support on regulations.
Framework Model Green-Techno Sociopreneur Ternak Maggot untuk Membangun Kemandirian Ekonomi Panti Sosial DKI Jakarta Emelia Sari; Winnie Septiani; Ratnaningsih Ruhiyat; Khomsiyah; Hartini; Richy Wijaya
JURNAL AGROINDUSTRI HALAL Vol. 9 No. 1 (2023): Jurnal Agroindustri Halal 9(1)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jah.v9i1.8044

Abstract

Panti asuhan sosial di wilayah DKI Jakarta perlu ditingkatkan kemandiriannya sehingga bisa bertransformasi dari cost center menjadi sebuah lembaga yang mandiri secara ekonomi. Hal ini dapat dilakukan dengan mengembangkan sebuah bisnis dengan konsep bisnis yang ramah lingkungan dan mempunyai dampak positif terhadap masyarakat sekitar (community empowerment). Penelitian ini bertujuan untuk mengembangkan sebuah framework implementasi bisnis dengan konsep green techno sociopreneur melalui ternak Maggot. Ini merupakan implementasi konsep waste to value, dimana merubah sampah organik menjadi Maggot yang dapat dimanfaatkan sebagai pakan ternak berprotein tinggi. Hal ini akan mengatasi permasalahan sampah pada panti sosial dan masyarakat sekitar secara signifikan, sehingga akan berdampak terhadap penanggulangan masalah lingkungan secara global. Penelitian ini juga berbasis pemanfaatan teknologi tepat guna dengan melakukan redesign mesin pencacacah sampah dengan sistem knock down. Dari uraian di atas, dapat dikatakan bahwa bisnis ternak Maggot ini mempunyai dampak positif terhadap peningkatan ekonomi, lingkungan, dan sosial. Hasil penelitian ini diharapkan dapat memotivasi semua pihak (akademisi dan praktisi) untuk mengimplementasikan sebuah framework model bisnis green techno sociopreneur yang mengkombinasikan konsep green business model dengan pengembangan teknologi tepat guna.
Co-Authors Abu, Mohd Yazid Abu, Mohd. Yazid Agung Sasongko Agustin, Meilan Ahmad Farhan Ahmad Farhan, Ahmad Ahsan Khalfani Sabara Amal Witonohadi Amran, Tiena Andi Arni Soraya Andry Prima Annisa Dewi Akbari, Annisa Dewi Ardilla Jefri Karista Ari Saputro, Ari Aris, Nurul Haziyani Asri Nugrahanti, Asri Auliya Dewi Oktriana Baehaqi Bambang Rahadi Widiatmono Choirunnisa, Hasna Clara, Clara Dadan Umar Daihani Dadang Surjasa, Dadang Dedy Sugiarto Dewayana, Triwulandari Satitidjati Dewi Nilamsari Didien Suhardini Djohar Tjintamani Docki Saraswati Dorina Hetharia Dorina Hetharia Fani Puspitasari Febriana Lestari Ghani, Nadiatul Adilah Ahmad Abdul Gusni Muharam Habyba, Anik Nur Hartini Hartini Harudin, Nolia Idriwal Mayusda Ilham, Ahmad Indah Permata Sari Isnaeni Nabilah Isnaeni Nabilah Iveline Anne Marie Jaafar, Nur Najmiyah Jamil, Muhammad Arieffuddin Mohd Jawaid Butt, Osama Juliana Josephina Alexsandra Kesumo Wardhani, Nurhastuty KHOMSIYAH Krismantan, Thalia Putri Mamat, Tengku Nur Azila Binti Raja Marendra, Sheilla Megagupita Putri Muhammad Burhannudinnur Muhammad, Wan Zuki Azman Wan Mustaqim, Daffa Akiel Nabila, Shadrina Putri Nora Azmi Nora Azmi Nur Azizah Putri Utami Parwadi Moengin Pinueh, Nur Syafikah Pratama, Aditya Yoga Pudji Astuti PUDJI ASTUTI Rahayu Setiawati Arifin Rambung, Richard Ramlie, Faizir Ratnaningsih Ruhiyat Ratnaningsih Ruhiyat Richy Wijaya Ridha Satria Rina Fitriana Rubiyanto, Raihan Cecarrio Ruhiyat , Ratnaningsih Ruhiyat, Ratnaningsih Saputra, Chaerudin Siska Herliana Sunaryo, Thalia Suryana, Yunita Friscilia Tiena Gustina Amran Tiena Gustina Amran Tono Sukarnoto Triwulandari Satitidjati Dewayana Triwulandari SD, Triwulandari Wawan Kurniawan Winnie Septiani Yarra Sutadiwiria Yudha Melianto Zaini, Sri Nur Areena Mohd