Dhrammachitto (Chanbang), Phrajaray, and Manop Nakkanrian. “Supporting Volunteer Spirit in According To Bodhisatta”. Mahachula Academic Journal 8, no. 1 (April 27, 2021): 71–83. Accessed May 7, 2024. https://so04.tci-thaijo.org/index.php/JMA/article/view/240214.