กลิ่นประทุม อ. “KNOWLEDGE NEED TOWARD GOOD AGRICULTURAL PRACTICE (GAP) FOR MANGO IN SAMKO DISTRICT, ANG THONG PROVINCE”. Journal of MCU Social Science Review, vol. 7, no. 1, Feb. 2018, pp. 236-49, https://so03.tci-thaijo.org/index.php/jssr/article/view/235850.