Supapunt, P., Intanoo, P., & Yodkhum, S. (2023). Factor Affecting Marketing Mix of Purchasing for Processed Products from Agricultural Residues in Chiang Mai and Lamphun Provinces. Trends of Humanities and Social Sciences Research, 11(1), 306–331. retrieved from https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/263829