Dwi Adinda Putri, Esti Marlina Sirait, Bernard Simanjuntak. Pengaruh Model Problem Based Learning (PBL) Terhadap Hasil Belajar IPAS Siswa Kelas V di SD Negeri 102132 Bangun Rejo. ISIHUMOR [Internet]. 2026 Oct. 13 [cited 2026 Oct. 24];4(2):714-26. Available from: https://putrapublisher.org/index.php/isihumor/article/view/2543