Shikaa Samuel and Vinod Gill. (2018). Diffusion-Chemotaxis Model of Effects of Cortisol on Immune Response to Human Immunodeficiency virus. Nonlinear Engineering, 7(3)
Shikaa Samuel, Taparki Richard, Ajai John Tyavbee, Aboiyar Terhemen. (2015). A Mathematical Model to Study the Human Brain Information Processing Dynamics. American Journal of Applied Mathematics, 3(5)