AFZA, A., & Yulianto, E. F. (2020). 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, 1(2), 53-60. https://doi.org/10.32939/symbiotic.v1i2.14