[1]
Chaoprasong, P., Duangnet, S., Sanpundorn, S. and Rattanatrantong, Y. 2025. The Developing Problem-Solving Skills in Addition and Subtraction for Grade 3 Students at Ban Nong Pha-om School, Somdet District, Kalasin Province, Through KWDL Technique Combined with Bar Model Learning. Academic Innovation Journal. 1, 2 (Aug. 2025), 142–152. DOI:https://doi.org/10.14456/aij.2025.11.