Dynamical Analysis of Approximate Solutions of HIV-1 Model with an Arbitrary Order. - Asma; Nigar Ali; Gul Zaman; Anwar Zeb; Vedat Suat Ertürk; Il Hyo Jung (Complex., 2019)

HIV-1 infection dynamics and optimal control with Crowley-Martin function response. - Muhammad Naeem Jan; Nigar Ali; Gul Zaman; Imtiaz Ahmad; Zahir Shah; Poom Kumam (Comput. Methods Programs Biomed., 2020)

Hopf bifurcation and global dynamics of time delayed Dengue model. - Zain Ul Abadin Zafar; Nigar Ali; Zahir Shah; Gul Zaman; Prosun Roy; Wejdan Deebani (Comput. Methods Programs Biomed., 2020)

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)