ISROIL, A. Instructional Materials of Quadratic Equations for 10th Grade Indonesia Students: Combined Round Robin-Cooperative Learning and Problem Posing . Karangan: Jurnal Bidang Kependidikan, Pembelajaran, dan Pengembangan, [S. l.], v. 2, n. 01, p. 1–6, 2020. DOI: 10.55273/karangan.v2i01.39. Disponível em: https://ejournal.billfath.ac.id/index.php/karangan/article/view/39. Acesso em: 2 mar. 2025.