et. al., Phrasuwanmahaphuthaphibal (Ho Subhaddo),. “A Development Model of Characteristics Based on Brahmaviharadhamma Principles for Thai School Administrators”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 8 (April 24, 2021): 2511–2516. Accessed May 6, 2024. https://turcomat.org/index.php/turkbilmat/article/view/3769.