Analisis Keaktifan Siswa dalam Pembelajaran IPAS Melalui Problem Based Learning (PBL) di Kelas IV SD Negeri 091339 Dolog Huluan. JHMP [Internet]. 2026 Jul. 30 [cited 2026 Nov. 5];1(1):7-15. Available from: https://publicpublication.biz.id/ojs/index.php/universum/article/view/2