ARSYAD, Arie Arma; YANTO, Nurfitra; MUHIDDIN, St. Mutia Alfiyanti. The Development of Cooperative Problem Solving Oriented Teaching Materials to Improve Student Learning Outcomes. EduLine: Journal of Education and Learning Innovation, [S. l.], v. 3, n. 2, p. 263–273, 2023. DOI: 10.35877/454RI.eduline1794. Disponível em: https://jurnal.ahmar.id/index.php/eduline/article/view/1794. Acesso em: 9 jun. 2026.