wongnai, nittaya, Intasingh, S. and Assapaporn, N. (2020) “Effects of Using POGIL on the Science Concepts and Collaborative Skills of Grade 4 Students”, Rajabhat Chiang Mai Research Journal. Chiang Mai, Thailand, 21(3), pp. 99–109. doi: 10.14456/rcmrj.2020.241561.