Patandung, M. et al. 2024. Pengembangan Media Pembelajaran Matematika Pada Materi Garis Singgung Lingkaran Berbasis Geogebra. Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences. 3, 1 (Feb. 2024), 20–39. DOI:https://doi.org/10.53696/2964-867X.141.