TITANIA BUDIMAN; VICTOR R. SULANGI; JOHN R. WENAS. Implementation Of Problem Based Learning Models In Learning Systems Of Linear Equations Three Variables. Khirani: Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 1, n. 2, p. 10–17, 2023. DOI: 10.47861/khirani.v1i2.197. Disponível em: http://e-journal.nalanda.ac.id/index.php/KHIRANI/article/view/197. Acesso em: 30 apr. 2024.