RAMBE, R. J.; YUSUF, I. IMPLEMENTASI METODE PROBLEM BASED LEARNING DALAM MATA PELAJARAN MATEMATIKA DI SDI COKROAMINOTO BALIKPAPAN. Sindoro: Cendikia Pendidikan, [S. l.], v. 11, n. 10, p. 71–80, 2025. DOI: 10.9644/sindoro.v11i10.10172. Disponível em: https://ejournal.warunayama.org/index.php/sindorocendikiapendidikan/article/view/10172. Acesso em: 13 jul. 2025.