Baba, Abdullahi Mohammed, Umar Chado Doko, Hassan Usman, Mamman Mamuda, Usman Garba, and Nasir Muazu Kontagora. 2023. “Modeling Breast Cancer and Its Optimal Control”. Sigma&Mu: Journal of Mathematics, Statistics and Data Science 1 (1):16-30. https://journals.balaipublikasi.id/index.php/sigmamu/article/view/59.