Thirakulnanchai, S., & Laorpaksin, J. (2020). Effects of Organizing Mathematics Learning Activities using 7E Learning Cycle and Higher Order Questions on Mathematical Problem-Solving Ability of Seventh Grade Students. An Online Journal of Education, 15(2), OJED1502008 (13 pages). Retrieved from https://so01.tci-thaijo.org/index.php/OJED/article/view/240668