“Analisis Keaktifan Siswa dalam Pembelajaran IPAS Melalui Problem Based Learning (PBL) di Kelas IV SD Negeri 091339 Dolog Huluan”, JHMP, vol. 1, no. 1, pp. 7–15, Jul. 2026, Accessed: Nov. 04, 2026. Available: https://publicpublication.biz.id/ojs/index.php/universum/article/view/2