Salee-on, Suvatinee, and Sangob Laksana. “Development Model of Administrators’ Leadership Competencies for Effective Job Performance in Private Higher Education Institutions”. Scholar: Human Sciences 9, no. 2 (January 3, 2018): 173. Accessed July 24, 2024. http://www.assumptionjournal.au.edu/index.php/Scholar/article/view/2995.