Yusuf Ramadana, and Dwi Fitriani Rosali. “Penerapan Teori Residu Dalam Penentuan Nilai Eksak Dari Deret Tak Hingga”. Limits: Journal of Mathematics and Its Applications, vol. 19, no. 2, Nov. 2022, pp. 203-16, https://journal.its.ac.id/index.php/limits/article/view/5421.