B. Dihudi

Necessary Conditions for the Solutions of Second Order Non-linear Neutral Delay Difference Equations to Be Oscillatory or Tend to Zero

Radha Nath Rath, Julo G. Dix, B. L. S. Barik, 2007, Int. J. Math. Math. Sci..

SIQRS Epidemic Modelling and Stability Analysis of COVID-19

Yerra Shankar Rao, T. C. Panda, Aswin Kumar Rauta, 2021 .

Transmission Modelling on COVID-19 Pandemic and Its Challenges

Yerra Shankar Rao, T. C. Panda, S. Rout, 2021, Sustainability Measures for COVID-19 Pandemic.