ERLINA YULIASTUTI. APPLICATION OF THE PROJECT-BASED LEARNING MODEL IN ELEMENTARY SOCIAL STUDIES LEARNING PLANNING TO DEVELOP 21ST CENTURY SKILLS. International Journal of Educational Review, Law And Social Sciences (IJERLAS), [S. l.], v. 5, n. 4, p. 3702–3707, 2025. DOI: 10.54443/ijerlas.v5i4.3840. Disponível em: https://radjapublika.com/index.php/IJERLAS/article/view/3840. Acesso em: 14 apr. 2026.