Ayu, Adibah, et al. “Learning Assistance for Students in Understanding Geogebra-Assisted Quadratic Function Graph Material”. KHIDMAH: Jurnal Pengabdian Kepada Masyarakat, vol. 4, no. 1, Jan. 2024, pp. 27-36, doi:10.24252/khidmah.v4i1.43444.