Sangkhaphat, Sakdech, Witthaya Jarernsiri, and Thongsak Jirasombat. 2020. “Leadership Factors Affecting the Effectiveness of Dean’s Work in North-Eastern Rajabhat Universities”. Journal of MCU Social Science Review 4 (3). Ayutthaya, Thailand:209-20. https://so03.tci-thaijo.org/index.php/jssr/article/view/245462.