Rahayu, E., A. Azizah, M. Isman, M. Sari Sitepu, and S. Idayanti. “Developing of Discon E-Module Based on Android in Force and Motion Material”. Cakrawala: Jurnal Pendidikan, vol. 17, no. 1, Mar. 2023, pp. 1-13, doi:10.24905/cakrawala.v17i1.354.