Petjuangjan P, Lenenan A. THE ADMINISTRATION OF “9DS SCHOOL”PROJECT IN SAMUTSAKHON EDUCATIONAL SERVICE AREA. JHS.TRU [Internet]. 2019 Sep. 1 [cited 2024 May 4];13(3):32-40. Available from: https://so03.tci-thaijo.org/index.php/trujournal/article/view/214061