An analysis of time-delay epidemic model for TB, HIV, and AIDS co-infectionsKalyan Das, Fathalla A. Rihan, C. Rajivganthi et al.|Results in Control and Optimization|2023Cited by 7
COVID-19 Model with High- and Low-Risk Susceptible Population Incorporating the Effect of VaccinesAlhassan Ibrahim, Fathalla A. Rihan, Saminu I. Bala et al.|Vaccines|2022Cited by 4