Sherly Amelia, Ganda Hijrah Selaras, Syamsurizal Syamsurizal, and Rahmawati Darussyamsu. “Studi Literatur: Pengaruh Model Problem Based Learning Berbantuan 4R Terhadap Kemampuan Pemecahan Masalah Siswa Pada Pembelajaran Biologi”. Al-Alam: Islamic Natural Science Education Journal 5, no. 1 (January 31, 2026): 369–381. Accessed July 25, 2026. https://jurnal.iainambon.ac.id/index.php/JTI/article/view/15599.