%0 Journal Article %T Optimum cost analysis for an Geo/Geo/c/N feedback queue under synchronous working vacations and impatient customers %A Bouchentouf %A Amina Angelika %A Kadi %A Mokhtar %A Yahiaoui %A Lahcene %J - %D 2019 %R 10.17535/crorr.2019.0019 %X Sa£żeta %K multiserver queueing systems %K synchronous vacation %K impatient customers %K Bernoulli feedback %K cost model %K optimization %U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=334182