PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA PADA MATA PELAJARAN IPAS DI KELAS IV SD NEGERI 065012 SIMPANG SELAYANG, MEDAN TUNTUNGAN. JHMP [Internet]. 2026 Jul. 30 [cited 2026 Nov. 5];1(1):16-24. Available from: https://publicpublication.biz.id/ojs/index.php/universum/article/view/5