INDRIYATI, N.; RAHMAWATI, N. D.; AINI, A. N. EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN PEMECAHAN MASALAH. Prosiding Seminar Nasional Matematika dan Pendidikan Matematika, [S. l.], v. 4, p. 113–118, 2019. Disponível em: http://103.98.176.39/index.php/senatik/article/view/48. Acesso em: 29 jan. 2026.