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ASEAN Journal on Science and Technology for Development

Welcome to the ASEAN Journal on Science and Technology for Development (AJSTD), a publication dedicated to advancing scientific and technological innovation within the dynamic and diverse landscape of Southeast Asia. At AJSTD, our mission is to foster and expedite the discovery and application of cutting-edge advancements in science and technology across the ASEAN region, ultimately resulting in greater prosperity for its people. Our journal encompasses a broad spectrum of technology-related fields, ranging from biotechnology to non-conventional energy research, materials science, and beyond. Published in cooperation with the ASEAN Committee on Science and Technology (COST) and driven by the academic excellence of Universiti Brunei Darussalam, AJSTD serves as a vital conduit for the exchange of knowledge and ideas, with the collective goal of propelling innovation and development throughout Southeast Asia.

See the Aims and Scope for a complete coverage of the journal.

Current Issue: Volume 43, Number 1 (2026)

Articles

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Assessing the Probable Sources Affecting the Water Quality Index of the Panch Prayag Belt of Uttarakhand, India
Debasis Sau, Indranil Mukherjee, Wasim Akram, Kakali Ghosh, Rimi Paul, Reshmi Paul, and Athar Akram

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Influence of Unmanned Aerial Vehicle (UAV) Payloads and Flight Speeds on Pesticide Droplet Deposition: Indoor Testing Rig Study
Siti Amni Ismail, Azmi Yahya, Ahmad Suhaizi Mat Su, Anas Mohd Mustafah, and Norhayu Asib

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Manure Handling in Circular Farming: An In Vitro Study of Fermented Poultry Manure as Unconventional Feed for Ruminants
Dimas Hand Vidya Paradhipta, De Lavida Padma Terrakota, Ali Agus, Andriyani Astuti, Viagian Pastawan, and Kharisma Taufiqa Hidayah

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Systematic Study on preparation and Characterizations of High Performance Bimetallic Pt-Co/SBA-15 Catalyst in n-Heptane Isomerization
Talib M. Albayati, Khalid A. Sukkar, Nisreen S. Ali, Mahir A. Abdulrahman, Basheer A. Abdulhussein, Issam K. Salih, and Narges Elmi Fard

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Unlocking Green Potential in Indonesian Small Medium Enterprises: Challenges and Opportunities for Sustainable Vermicelli Production
Togar W. S. PANJAITAN, Karina AGUSTIN, Prayonne ADI, Jani RAHARDJO, and I Nyoman SUTAPA

Review

Letter to the Editor