ธราดลรัตนากร น. and รำไพ ณ. (2020) “DEVELOPMENT MODEL OF ONLINE TRAINING BY USING INTERACTIVE MULTIMEDIA TECHNOLOGY BASED ON CONSTRUCTIVISM TO ENHANCE IN-SERVICE TEACHER’S COMPUTER AND TECHNOLOGY COMPETENCY”, Research Community and Social Development Journal. Nakhon Ratchasima, Thailand, 14(3), pp. 247–260. doi: 10.14456/nrru-rdi.2020.59.