ARIYANTI, Novia; AZIZAH, Nuril Lutvi. Buku Ajar Mata Kuliah Matematika Diskrit. Umsida Press, [S. l.], p. 1–108, 2021. DOI: 10.21070/2020/978-623-6833-36-0. Disponível em: https://press.umsida.ac.id/index.php/umsidapress/article/view/978-623-6833-36-0. Acesso em: 22 jun. 2025.