2019. Pengaruh Strategi Pembelajaran PQ4R (Preview, Question, Read, Reflect, Recite, Review) Terhadap Hasil Belajar Ilmu Pengetahuan Alam Terpadu Siswa Madrasah Tsanawiyah : The Influence of PQ4R Learning Strategies (Preview, Question, Read, Reflect, Recite, Review) on Integrated Natural Sciences Learning Outcomes Madrasah Tsanawiyah students. BIODIK. 5, 2 (Sep. 2019), 139-149. DOI:https://doi.org/10.22437/bio.v5i2.7076.