F. R. MOTULO; TRISILOWATI; I. J. T . R. TAMSIH. Dynamical Analysis of Tumor Growth Model with Immunotherapy. International Journal of Mathematics And its Applications, [S. l.], v. 7, n. 4, p. 185–192, 2019. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/219. Acesso em: 6 may. 2024.