UMI, N. H. .; RETNOWATI, R.; ISTIADI, Y. Design and development of a problem-based learning (PBL) e-module in environmental education for enhancing pro-environmental behaviour. Indonesian Journal of Applied Environmental Studies, [S. l.], v. 6, n. 1, p. 34–40, 2025. DOI: 10.33751/injast.v6i1.26. Disponível em: https://injast-pasca.unpak.ac.id/index.php/InJAST/article/view/26. Acesso em: 13 sep. 2025.