GUNAWAN, Wahyu Arif; DARMINI, Mimin; SATI, Sati. Implementation of Problem Based Learning Model to Improve Learning Outcomes of Fourth Grade Students at SDN 1 Jamblang. Journal of Educational Sciences, [S. l.], v. 10, n. 1, p. 38–47, 2026. DOI: 10.31258/jes.10.1.p.38-47. Disponível em: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/1058. Acesso em: 8 may. 2026.