Phuangsiri, C., & Piyapimonsit, C. (2026). A Development of a Charismatic Leadership Scale 
for Undergraduate Students in the Faculty of Engineering. Leadership Educational Administration Development Journal, Ramkhamhaeng University, 3(1), LEADJournalRU0301RA3395. retrieved from https://so15.tci-thaijo.org/index.php/LEAD/article/view/3395