KOUENKAM, J. P. I., Chendjou, G., MBANG, J., & EMVUDU, Y. (2021). Stability Analysis of a Staged Progression Susceptibility Model for Infectious Diseases. International Journal of Mathematical Modelling & Computations, 11(4), 1-37. https://doi.org/10.30495/ijm2c.2021.685128