PEMU, Nasrullah. ANALISIS KEMAMPUAN PEMECAHAN MASALAH DITINJAU DARI KEPERCAYAAN DIRI SISWA: KASUS TOPIK PERSAMAAN GARIS LURUS: ANALYSIS OF PROBLEM-SOLVING ABILITY AS SEEN IN THE REASON OF STUDENTS’ SELF-CONFIDENCE: CASE STUDY ON THE TOPIC OF STRAIGHT LINE EQUATIONS. KAMBIK: Journal of Mathematics Education, [S. l.], v. 2, n. 1, p. 42–54, 2024. DOI: 10.33506/jme.v2i1.3348. Disponível em: https://www.ejournal.um-sorong.ac.id/index.php/jme/article/view/3348. Acesso em: 9 oct. 2025.