YOEVIC HELMI SIREGAR. Cooperative Learning Strategy. Jurnal Profesionalisme Guru, [S. l.], v. 2, n. 1, p. 106–112, 2025. Disponível em: https://journal.maalahliyah.sch.id/index.php/jpg/article/view/445. Acesso em: 22 jan. 2026.