Wida, Sofatul, Imam Bukhori Muslim, and Miftahul Hakim. “Penerapan Model Pembelajaran PQ4R (Preview, Question, Read, Recite, Reflect, Review) Untuk Meningkatkan Hasil Belajar Siswa MTS Raudlatus Syabab Sukowono: Journal”. JURNAL BIOSHELL 9, no. 1 (April 25, 2020): 10–15. Accessed May 24, 2024. https://ejurnal.uij.ac.id/index.php/BIO/article/view/755.