Fonhakeaw A. Cost of Organic Fertilizer Production of The Community Fertilizer Producers at Ban San Kang Pla, Sai Moon Sub-District, San Kamphaeng District Chiang Mai Province. RMUTL.J [internet]. 2023 Jun. 29 [cited 2025 Mar. 14];7(1). available from: https://so07.tci-thaijo.org/index.php/JsesRMUTL/article/view/2018