Endang Wahyuningsih, Ghufron Zaida Muflih, Fersellia Fersellia, Fina Hanifa Hidayati, and Ratna Setyaningsih. “MATEMATIKA DISKRIT”. Yayasan Drestanta Pelita Indonesia (August 19, 2024). Accessed November 5, 2024. https://publisher.yayasandpi.or.id/index.php/dpipress/article/view/1596.