“ANALISIS KESULITAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS DITINJAU DARI SELF-CONFIDENCE PADA MATERI SPLTV”, JPPM, vol. 4, no. 1, pp. 398–406, Jul. 2022, Accessed: Jul. 02, 2025. [Online]. Available: http://jurnal.mipatek.ikippgriptk.ac.id/index.php/JPPM/article/view/409