Rujipongkul, W., and S. . Suebyaem. “A Condition Study and Needs Assessment on Potential Development of Academic Supporting Personnel of King Mongkul’s University of Technology North Bangkok”. Rajapark Journal, vol. 15, no. 39, Apr. 2021, pp. 215-29, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/249868.