(1)
Bumroong-Ayosakoon, T. .; Kosito, P. .; Somkhaoyai, T. .; Chonrat, V. . GUIDELINES FOR INTERNAL EDUCATIONAL QUALITY ASSURANCE ACCORDING TO THE 4 IDDHIPADAS PRINCIPLE OF PRIVATE SCHOOLS FOR ORDINARY EDUCATION IN NAKHON SI THAMMARAT PROVINCE. jg-mcukk 2021, 8, 187-199.