ฮอหรินทร์ นรางคณา. “The Relationship between Creative Leadership and Volunteer Spirit of Khon Kaen University Student Leaders”. Journal of Education Khon Kaen University (Graduate Studies Research) 11, no. 3 (May 18, 2018): 97–105. accessed April 14, 2025. https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/124310.