Chaichana, N., Saksupub, K., & Haemaprasith, S. (2021). Effects of Context Based Learning with Questioning Techniques on Explain Phenomena Scientifically Ability of Fourth Grade Students. Journal of Graduate Research, 12(2), 31–44. Retrieved from https://so02.tci-thaijo.org/index.php/banditvijai/article/view/249716