PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA PADA MATA PELAJARAN IPAS DI KELAS IV SD NEGERI 065012 SIMPANG SELAYANG, MEDAN TUNTUNGAN. (2026). Universum: Journal of Holistic and Multidisciplinary Perspectives, 1(1), 16-24. https://publicpublication.biz.id/ojs/index.php/universum/article/view/5