Leethiangtham, R., Yamsang, N., Yamsang, W. and Sirum, U. 2025. The Development of Activities Based on Constructivism and Think-Pair-Share Activities in Interest and Time Value of Money for Mattayomsuksa 6 Students. Interdisciplinary Academic and Research Journal . 5, 3 (May 2025), 61–74. DOI:https://doi.org/10.60027/iarj.2025.282730.