Analysis of COVID-19 Disease Model: Backward Bifurcation and Impact of Pharmaceutical and Nonpharmaceutical Interventions. - Ibad Ullah; Nigar Ali; Ihtisham Ul Haq; Imtiaz Ahmad; Mohammed Daher Albalwi; Md. Haider Ali Biswas (Int. J. Math. Math. Sci., 2024)

Nonlinear Epidemic Model With Media Coverage: Stability, Bifurcation, and Control in a Population With Pre-Existing Immunity. - Mohammad Idrees; Nigar Ali; Ihtisham Ul Haq; Imtiaz Ahmad; Mohammed Daher Albalwi; Md. Haider Ali Biswas (Complex., 2025)