Wahab A, Abdul, Buhaerah, Muhammad Ahsan, and Zulfiqar Busrah. “DEFRAGMENTING THE THINKING STRUCTURE OF PROBLEM SOLVING THROUGH COGNITIVE MAPPING BASED ON POLYA THEORY ON PISA PROBLEMS”. Journal of Mathematics Learning Innovation 1, no. 1 (March 31, 2022): 93–97. Accessed February 3, 2026. https://ejurnal.iainpare.ac.id/index.php/JMLIPARE/article/view/3388.