CHAOPRASONG, P.; DUANGNET, S.; SANPUNDORN, S.; RATTANATRANTONG, Y. 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, [S. l.], v. 1, n. 2, p. 142–152, 2025. DOI: 10.14456/aij.2025.11. Disponível em: https://so11.tci-thaijo.org/index.php/aij/article/view/1815. Acesso em: 14 oct. 2026.