HADIRA, Hadira; SARI, Murni Sapta; SULISETIJONO, Sulisetijono. Development of E-Modules Based on Problem-Based Learning to Improve Problem-Solving Skills and Student Self-Efficacy. Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika, [S. l.], v. 8, n. 1, p. 86–101, 2024. DOI: 10.36312/esaintika.v8i1.1622. Disponível em: https://journal-center.litpam.com/index.php/e-Saintika/article/view/1622. Acesso em: 2 feb. 2026.