“ANALISIS MODEL PROBLEM BASED LEARNING MENGGUNAKAN QUASI EKSPERIMEN DESIGN TERHADAP HASIL BELAJAR IPA SISWA SMP ANEGERI 1 JORLANG HATARAN”. Jurnal Metabio 3, no. 1 (April 10, 2021): 26–34. Accessed April 27, 2025. https://jurnal.usi.ac.id/index.php/jpbm/article/view/317.