Teadkait Kaewpuang, Wuttichai Roschat, Sunti Phewphong, Tawanchay Bunpragob Suparang, and Piyaphong Yongphet, “Synthesis of biodiesel via transesterification from waste fish oil and its application to a diesel agricultural engine”, Maejo Int. J. Energ. Environ. Comm. or MIJEEC, vol. 6, no. 1, pp. 11–16, Feb. 2024.