N. Santra, S. Mondal, and G. Samanta, “Complex dynamics of a predator–prey interaction with fear effect in deterministic and fluctuating environments,” Mathematics, vol. 10, no. 20, p. 3795, 2022. doi: https://doi.org/10.3390/math10203795.

N. Santra, D. Sahoo, S. Mondal, and G. Samanta, “An epidemiological multi-delay model on cassava mosaic disease with delay-dependent parameters,” Filomat, vol. 37, no. 9, pp. 2887–2921, 2023. doi: https://doi.org/10.2298/FIL2309887S.

N. Santra, S. Saha, and G. Samanta, “Role of multiple time delays on a stage-structured predator–prey system in a toxic environment,” Mathematics and Computers in Simulation, vol. 212, pp. 548–583, 2023. doi: https://doi.org/10.1016/j.matcom.2023.05.015.

N. Santra and G. Samanta, “Modeling the dynamics of tumor–immune response: A reaction–diffusion approach integrating chemotherapy effects and global sensitivity analysis,” The European Physical Journal Plus, vol. 139, no. 9, p. 775, 2024. doi: https://doi.org/10.1140/epjp/s13360-024-05573-6.

N. Santra, S. Saha, and G. Samanta, “Exploring cooperative hunting dynamics and PRCC analysis: Insights from a spatio-temporal mathematical model,” Journal of Physics A: Mathematical and Theoretical, vol. 57, no. 30, p. 305 601, 2024. doi: https://doi.org/10.1088/1751-8121/ad56e2.

S. Saha, N. Santra, and G. Samanta, “Role of multiple time delays on a stage-structured harvested predator–prey system with anti-predator behavior,” International Journal of Dynamics and Control, vol. 12, no. 3, pp. 696–724, 2024. doi: https://doi.org/10.1007/s40435-023-01226-1.

P. Dutta, N. Santra, G. Samanta, and M. De la Sen, “Nonlinear SIRS fractional-order model: Analysing the impact of public attitudes towards vaccination, government actions, and social behavior on disease spread,” Mathematics, vol. 12, no. 14, p. 2232, 2024. doi: https://doi.org/10.3390/math12142232.

B. K. Das, N. Santra, and G. Samanta, “Exploring dynamics of predator-prey interactions: Fear, toxicity, carry over and environmental fluctuations,” Filomat, vol. 38, no. 31, pp. 11 061–11 083, 2024. doi: https://doi.org/10.2298/FIL2431061D.

B. K. Das, D. Sahoo, N. Santra, and G. Samanta, “Modeling predator–prey interaction: Effects of perceived fear and toxicity on ecological communities,” International Journal of Dynamics and Control, vol. 12, no. 7, pp. 2203–2235, 2024. doi: https://doi.org/10.1007/s40435-023-01343-x.

N. Santra, G. Samanta, R. Eftimie, and Y. Takeuchi, “A sex-structured mathematical model of HPV transmission dynamics with direct and indirect pathways: Stability, bifurcation, treatment strategies and time delay,” The European Physical Journal Plus, vol. 140, no. 10, pp. 1–30, 2025. doi: https://doi.org/10.1140/epjp/s13360-025-06865-1.

N. Santra and G. Samanta, “Optimizing oncolytic and immune-based cancer therapies: A mathematical approach to tumor dynamics,” International Journal of Biomathematics, p. 2 550 081, 2025. doi: https://doi.org/10.1142/S1793524525500810.

P. Akhtar, N. Santra, and G. Samanta, “Study on fear-induced group defense and cooperative hunting: bifurcation, uncertainty, seasonality, and spatio-temporal analysis in predator–prey system,” The European Physical Journal Special Topics, Jan. 2026. doi: 10.1140/epjs/s11734-026-02123-2.

N. Santra, G. Samanta and A. Mubayi, "Immune activation thresholds and optimal chemo-immunotherapy regimes: a spatio-temporal control model of tumor–immune dynamics", International Journal of Dynamics and Control, July 2026. doi: https://doi.org/10.1007/s40435-026-02229-4