Thongdej, P.; Kaewdee, C.; Pansrinual, W.; Sudsomboon, W. THE SUITABILITY STUDY OF SURFACE WATER SOURCES FOR DESIGNING SUB-DISTRICT WATER SUPPLY SYSTEMS: A CASE STUDY OF NONG PHO SUB-DISTRICT MUNICIPALITY, KHUAN KHANUN DISTRICT, PHATTHALUNG PROVINCE. Academic Journal of Industrial Technology Innovation 2025, 3, 50-64.