FIRDA AMBAR AGUSTIN; ROZY, F. Transforming Learning Management with Class of Champions: Exploring its Effect on Student Cooperation. Journal of Educational Management Research , [S. l.], v. 4, n. 4, p. 1280–1289, 2025. DOI: 10.61987/jemr.v4i4.1105. Disponível em: https://serambi.org/index.php/jemr/article/view/1105. Acesso em: 9 jul. 2026.