Hidayati, N., and N. Istiati. “Pengembangan Bahan Ajar Matematika Berbasis Model Pembelajaran Kooperatif Tipe Student Team Achievement Division (STAD)”. ISEJ : Indonesian Science Education Journal, Vol. 1, no. 3, Sept. 2020, pp. 178-85, doi:10.62159/isej.v1i3.87.