Thongjun, A. (2019) “A STUDY OF LEARNING OUTCOME ON MODELLING AND DECORATING UNIT AND CREATIVE THINKING OF GRADE 9 STUDENTS USING CONSTRUCTIONISM”, Research Community and Social Development Journal. Nakhon Ratchasima, Thailand, 13(2), pp. 225–236. doi: 10.14456/10.14456/nrru-rdi.2019.39.