KHAIRANI, N.; MUSLIMIN, M. The Efforts to Improve Mathematics Learning Outcomes in Sequences and Series Materials Using a Problem Based Learning Model with a Differentiated Strategy. PPSDP International Journal of Education, [S. l.], v. 3, n. 2, p. 147–160, 2024. DOI: 10.59175/pijed.v3i2.268. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/268. Acesso em: 10 jul. 2026.