HARAHAP, Irham Habibi. DIFFERENCES IN MATHEMATICAL PROBLEM SOLVING ABILITIES AND LEARNING MOTIVATION WITH PROBLEM-BASED LEARNING. REKOGNISI : Jurnal Pendidikan dan Kependidikan (E-ISSN 2599-2260), [S. l.], v. 2, n. 2, p. 21–36, 2017. Disponível em: https://jurnal.unusu.ac.id/index.php/rekognisi/article/view/67. Acesso em: 7 apr. 2025.