WISETSING, C., WONGKHAMCHAN, S. and CHOCHAI, R. (2021) “STRATEGIC FOR THE DEVELOPMENT OF A STUDENTS SUPPORT SYSTEM IN SCHOOLS WITH ETHNIC DIVERSITY UNDER THE PRIMARY EDUCATION OFFICE IN TAK PROVINCE”, Research Community and Social Development Journal. Nakhon Ratchasima, Thailand, 15(1), pp. 165–179. doi: 10.14456/nrru-rdi.2021.13.