SIREGAR, R. K. S.; SARAGIH, A. H.; HUTASUHUT, S. Enhancing Learning Outcomes on Monetary and Fiscal Policy through a Flipbook E-Module with a Problem-Based Learning Approach. FINGER : Jurnal Ilmiah Teknologi Pendidikan, [S. l.], v. 4, n. 2, p. 89–95, 2025. DOI: 10.58723/finger.v4i2.430. Disponível em: https://ejournal.1001tutorial.com/finger/article/view/430. Acesso em: 15 aug. 2025.