Nurhasanah A, Raharjo TJ, Sumartiningsih S, Isdaryanti B. Diversity in Elementary Students’ Mathematical Problem-Solving Based on Polya’s Theory. J.Math.Instr.Soc.Res.Opin. [Internet]. 2026 Jun. 9 [cited 2026 Jun. 13];5(2):1649–1660. Available from: https://journal-gehu.com/index.php/misro/article/view/1661