WULANDARI, I.; PURWANDARI, R. D. The Effect of Problem-Project Based Learning on Critical and Collaborative Thinking Skills of Students of SD Negeri 2 Darmayasa. Proceedings Series on Social Sciences & Humanities, [S. l.], v. 25, p. 80–83, 2025. DOI: 10.30595/pssh.v25i.1673. Disponível em: https://conferenceproceedings.ump.ac.id/pssh/article/view/1673. Acesso em: 3 sep. 2025.