Analytical Study of the Existence of a Hopf Bifurcation in the Tumor Cell Growth Model with Time Delay. InPrime: Indonesian Journal of Pure and Applied Mathematics, [S. l.], v. 3, n. 1, p. 20–28, 2021. DOI: 10.15408/inprime.v3i1.19515. Disponível em: https://journal.uinjkt.ac.id/index.php/inprime/article/view/19515. Acesso em: 9 oct. 2025.