Haqq, A.A. et al. 2026. From Linearity to Iteration: Navigating Polya’s Problem-Solving Stages in an e-PBL Geometry Environment. Mosharafa: Jurnal Pendidikan Matematika. 15, 1 (Jan. 2026), 1–20. DOI:https://doi.org/10.31980/mosharafa.v15i1.3613.