Author/Authors :
Rao, K.P.R Acharya Nagarjuna University - Nuzvid Campus - Department of Applied Mathematics, ,India , Kishore, G.N.V. Acharya Nagarjuna University - Nuzvid Campus - Department of Applied Mathematics, India , Mustaq Ali, Md. Acharya Nagarjuna University - Nuzvid Campus - Department of Applied Mathematics, India