SAGALA, Prihatin Ningsih. APPLICATION OF PROBLEM-BASED LEARNING MODELS TO IMPROVE STUDENTS’ MATHEMATICAL CREATIVE THINKING ABILITIES. REKOGNISI : Jurnal Pendidikan dan Kependidikan (E-ISSN 2599-2260), [S. l.], v. 3, n. 1, p. 61–80, 2018. Disponível em: https://jurnal.unusu.ac.id/index.php/rekognisi/article/view/79. Acesso em: 6 apr. 2025.