%0 Journal Article %A Pikkala, Vijaya Laxmi, Edadasari, Girija Bhavani %T A Study on State Dependent Accessible and Second Optional Service Queue with Impatient and Feedback Customers %J International Journal of Mathematical Modeling & Computations %V 8 %N 4 %P 207-216 %D 2018 %R %U https://sanad.iau.ir/fa/Article/1081237