sittiritkawin, pakdee (2023) “Technology Transfer Movable Charcoal Kiln for Farmers in Chiang Rai Province to Create a Career Wood Charcoal and Wood Vinegar”, RMUTL Journal of Socially Engaged Scholarship. chiangmai, Thailand, 7(1). available at: https://so07.tci-thaijo.org/index.php/JsesRMUTL/article/view/2424 (accessed: 8 April 2025).