Heeminkool, P., N. Simakutpun, N. Puttarakornnun, and S. Malain. “HUMAN CAPITAL DEVELOPMENT THE DEGREE OF MASTER OF EDUCATION”. Journal of MCU Nakhondhat, vol. 11, no. 1, Jan. 2024, pp. 94-101, https://so03.tci-thaijo.org/index.php/JMND/article/view/274081.