เพ็ญสิริวรรณ นฤมล. “LEADERSHIP AND ORGANIZATIONAL DEVELOPMENT TO INCREMENTAL EFFICIENCY”. Journal of MCU Humanities Review 4, no. 2 (July 27, 2019): 117–126. Accessed May 8, 2024. https://so03.tci-thaijo.org/index.php/human/article/view/164672.