Suebjaitha, P., K. Wongwatthanaphong, and P. Dokchan. “HUMAN RESOURCE DEVELOPMENT OF PRIVATE SCHOOLS IN THE SYSTEM UNDER THE OFFICE OF EDUCATION PHICHIT PROVINCE”. Journal of MCU Phetchaburi Review, vol. 8, no. 1, Apr. 2025, pp. หน้า 350 - 358, https://so03.tci-thaijo.org/index.php/JPR/article/view/286841.