Premashthira, Aerwadee, Kulapa Kuldilok, and Visit Limsombunchai. “Outcomes and Impacts of Investment in Research and Development of Biochemical Energy and Biodegradable Plastics”. Science and Engineering Connect 46, no. 4 (December 31, 2023): 337–352. accessed June 30, 2025. https://ph04.tci-thaijo.org/index.php/SEC/article/view/10231.