Petjuangjan, P. ., & Lenenan, A. . (2019). THE ADMINISTRATION OF “9DS SCHOOL”PROJECT IN SAMUTSAKHON EDUCATIONAL SERVICE AREA. Journal of Humanities and Social Sciences Thonburi University, 13(3), 32–40. Retrieved from https://so03.tci-thaijo.org/index.php/trujournal/article/view/214061