Susilowaty, Nora, and Marlin Steffi Marpaung. “Effect of Core Learning Models With Cognitive-Conflict Strategy towards the Mathematics Problem Solving and Anxiety of SMP Students”. Abstract Proceedings International Scholars Conference 6, no. 1 (October 29, 2018): 289. Accessed April 20, 2024. https://jurnal.unai.edu/index.php/isc/article/view/1274.