Kraikunasai, Jutamanee, Koolchalee Chongcharoen, Sungworn Ngudgratoke, and Pronanchalee Pukchanka. “A CAUSAL MODEL OF ADMINISTRATIVE FACTORS AFFECTING EDUCATIONAL QUALITY IN VOCATIONAL SCHOOLS: QUALITATIVE EMPIRICAL EVIDENCE”. PEOPLE: International Journal of Social Sciences 3, no. 1 (March 23, 2017): 660–685. Accessed April 6, 2025. http://grdspublishing.org/index.php/people/article/view/441.