Mapping the Global Research Landscape of Problem-Based Learning in Digital Learning Environments: A Bibliometric Analysis Toward Achieving SDG 4. Journal of Law and Bibliometrics Studies, [S. l.], v. 2, n. 2, p. 137, 2026. DOI: 10.63230/jolabis.2.2.137. Disponível em: https://journal.i-ros.org/index.php/JOLABIS/article/view/137. Acesso em: 7 jul. 2026.