TY  - JOUR
AU  - Pikkala, Vijaya Laxmi
TI  - Bat Algorithm for Optimal Service Parameters in an Impatient Customer <i>N</i>-Policy Vacation Queue
JO  - International Journal of Mathematical Modeling & Computations
VL  - 9
IS  - 2
SP  - 113
EP  - 122
PY  - 2019
DO  - 
ER  -