Salawangi, Novia, Meity N. Tanor, and Mariana Rengkuan. “Pembelajaran Biologi Menggunakan Model Problem Based Learning; Pengaruh & Dampaknya Terhadap Hasil Belajar Siswa”. Jurnal Pendidikan Tambusai 8, no. 1 (February 14, 2024): 8597–8604. Accessed July 14, 2025. https://jptam.org/index.php/jptam/article/view/13683.