Nizami, Ahmad Wafa, and Mukhtiar Hussain Ibupoto. 2024. “The Influence Of Self-Confidence On Mathematical Problem Solving Ability Of Senior High School in Indonesia”. Tematik : Jurnal Konten Pendidikan Matematika 2 (1):11-17. https://doi.org/10.55210/tematik.v2i1.1695.