AZIZAH, Nurul; SADELI, Elly Hasan; WATI, Ratna Kartika. The Effectiveness of Problem-Based Learning Model in Developing Critical Thinking Skills on the “Youth Pledge” Topic Within the Framework of “Bhinneka Tunggal Ika”. Proceedings Series on Social Sciences & Humanities, [S. l.], v. 13, p. 153–160, 2023. Disponível em: https://conferenceproceedings.ump.ac.id/pssh/article/view/898. Acesso em: 7 nov. 2025.