The Effect of Using The Polya Model on The Mathematical Coherence Skills of Fourth Grade Students In Mathematics. Journal of the College of Basic Education, [S. l.], v. 30, n. 128, p. 211–227, 2025. DOI: 10.35950/cbej.v30i128.12813. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/12813.. Acesso em: 24 jun. 2026.