HARNITA; RISMIYANTO; SUMAJI. The Effectiveness of Problem-Based Learning Model Towards Students’ Learning Outcomes of Natural Science Class V Elementary School in Gugus Gajah Mada Sub-District Bonang, Demak Regency. Uniglobal Journal of Social Sciences and Humanities, [S. l.], v. 1, p. 29–35, 2022. DOI: 10.53797/ujssh.v1sp.5.2022. Disponível em: https://ujssh.com/index.php/ujssh/article/view/16. Acesso em: 21 nov. 2024.