พรมาธ., ป้อมอาสาป. and บุนนาคจ. (2017) “QUALITY ANALYSIS OF ICE FROM DRINKING SHOPS IN KING MONGKUT’S INSTITUTE OF TECHNOLOGY LADKRABANG”, Journal of Industrial Education, 16(3), pp. 12-20. Available at: https://www.tci-thaijo.org/index.php/JIE/article/view/119838 (Accessed: 21November2019).