AFZA, A.; YULIANTO, E. F. Penerapan Model Pembelajaran Problem Based Learning disertai Media Video terhadap Hasil Belajar Biologi pada Ranah Sikap Peserta Didik Kelas X SMA Negeri 1 Sitiung. Symbiotic: Journal of Biological Education and Science, v. 1, n. 2, p. 53-60, 31 Oct. 2020.