สมทรัพย์ ช. Some Observations Regarding to the Implementation of the Private School Act, B.E. 2550 And the Regulation of the Ministry of Education Pertaining to Work Protection for Private School Principals and Teachers, B.E. 2542: in Case of Benefits. Ganesha J [internet]. 2019 Dec. 18 [cited 2026 Aug. 29];15(2):1-18. available from: https://so01.tci-thaijo.org/index.php/pikanasan/article/view/219878