Subiono. “ENGHITUNGAN EKTOR-HARAKTERISTIK ECARA TERATIF ENGGUNAKAN ITIK ETAP ROUWER”. Limits: Journal of Mathematics and Its Applications 8, no. 2 (August 13, 2025): 1. ccessed December 6, 2025. https://journal.its.ac.id/index.php/limits/article/view/5268.