YU , Y.; SALEEWONG, D.; KLANGPHAHOL, K. . Effect of Problem-based Learning on Mathematical Problem-solving Ability of Sixth-Grade Students in Leshan Primary School. International Journal of Sociologies and Anthropologies Science Reviews, Maha Sara Kham, TH., v. 4, n. 3, p. 583–594, 2024. DOI: 10.60027/ijsasr.2024.4545. Disponível em: https://so07.tci-thaijo.org/index.php/IJSASR/article/view/4545. Acesso em: 29 jun. 2025.