Worawimut, C., Watanapa, A., Vivanpatarakij, S., & Wiyaratn, W. (2024). Learning Management of Small-Scale Pig Farmers to Adopt Biogas Coproduction: A Case Study of Ratchaburi Province. Journal of Technical and Engineering Education, 15(2). retrieved from https://so10.tci-thaijo.org/index.php/FTEJournal/article/view/1045