CHOOKHAMPAENG , Sumalee; BOONTON , Khuanruethai; PITCHAYAPIRAT , Piyaporn; CHOOKHAMPAENG, Chowwalit. Development of Mathematical Problem-Solving Ability Using Polya’s Problem-Solving Process Combined with Bar Models for Grade 4 Students. Journal of Cultural Analysis and Social Change, [S. l.], v. 10, n. 2, p. 2793–2798, 2025. DOI: 10.64753/jcasc.v10i2.2001. Disponível em: https://jcasc.com/index.php/jcasc/article/view/2001. Acesso em: 14 jan. 2026.