MAHASIBI, Muhammad Haris; MUHAMMAD EKA RAHMAN; ANITA TRI WIDIYAWATI. Implementing 21st-Century Learning in Social Studies: A Case Study at SMP Negeri 2 Balung, Jember. heritage, [S. l.], v. 6, n. 1, 2025. DOI: 10.35719/hrtg.v6i1.131. Disponível em: https://heritage.uinkhas.ac.id/index.php/hrtg/article/view/131. Acesso em: 14 oct. 2025.