Phewphong, S., Roschat, W., Inthachai, S., Namwongsa, K., Wongka, P., Khotsuno, N., Janlakorn, C., Moonsin, P., Yoosuk, B. and Promarak, V. 2023. Biodiesel oil production from waste cooking oil by using the pilot plant-scale solar reactor for the local community in Thailand . Asia-Pacific Journal of Science and Technology. 28, 04 (Jun. 2023), APST–28. DOI:https://doi.org/10.14456/apst.2023.58.