[1]
B. A. I. Toy, F. F. Karwur, J. F. da Costa, J. F. Langkun, and F. S. Rondonuwu, “Design of biology teaching materials based on discovery learning with scientific approach for class 10th in senior high school”, Biosfer, vol. 11, no. 1, pp. 68-77, Apr. 2018.