Pratama, Heni Nurdianti, and Tri Harsono. “EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR IPA SISWA DI KELAS VIII SMP NEGERI 3 SUNGGAL”. Jurnal Pelita Pendidikan 4, no. 4 (December 1, 2016). Accessed February 15, 2026. https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/6648.