PANGALILA, Theodorus; USMAN, Irawan; RATTU, Jan A. Efforts to Improve Learning Achievement in Civic Education Through Problem Based Learning Models. Technium Education and Humanities, [S. l.], v. 8, p. 93–104, 2024. DOI: 10.47577/teh.v8i.10930. Disponível em: https://techniumscience.com.techniumscience.pluscommunication.eu/index.php/education/article/view/10930. Acesso em: 17 apr. 2026.