Singhalert, Ariyachat, Daenwichai Sayruksa, and Rungson Singhalert. “A Study on Knowledge and Attitudes of Farmers at Hong Saeng Municipality towards the Use of Organic Fertilizers”. Chophayom Journal 30, no. 3 (December 28, 2019): 117–125. Accessed May 6, 2024. https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/232838.