SIDJARA, S.; ABDY, M. Karakteristik Konikoida. d’Cartesian, [S. l.], v. 5, n. 2, p. 100–110, 2016. DOI: 10.35799/dc.5.2.2016.14136. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/14136. Acesso em: 3 may. 2024.