Aonthong , Surachon, PhrakhrusangkharakChakkit Bhuripañño, and PhrakhruPhawnawuthibanthit. “GUIDELINES FOR PERSONNEL ADMINISTRATION IN THE DIGITAL ERA BASED ON THE SANGAHAVATTHU 4 PRINCIPLES FOR SECONDARY SCHOOLS IN PHRA SAMUT CHEDI DISTRICT, SAMUT PRAKAN PROVINCE”. Journal of Educational Review Faculty of Education in MCU 13, no. 2 (September 2, 2026): 592–604. accessed September 15, 2026. https://so02.tci-thaijo.org/index.php/EDMCU/article/view/287493.