et. al., P. (Ittipol P. ā€œDevelopment of School Administrators Based on Sangahavatthu IV Principles in Primary Schools under Bangkok Metropolitan Administrationā€. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 8, Apr. 2021, pp. 2476-81, https://turcomat.org/index.php/turkbilmat/article/view/3763.