บุนนาคจ., ผ่องพิพัฒน์พงศ์ม., and ป้อมอาสาป. “DEVELOPMENT IN PROGRESS TO STRENGTHEN 24 HOUR HYGIENIC FOOD STALLS IN THE LADKRABANG DISTRICT, BANGKOK”. Journal of Industrial Education, Vol. 15, no. 1, Apr. 2015, pp. 51-58, https://www.tci-thaijo.org/index.php/JIE/article/view/122262.