%0 Journal Article %A Ines Ziad %A Vijaya P Laxmi %A E Girija Bhavani %A Amina Angelika Bouchentouf %A Shakir Majid %T A matrix geometric solution of a multi-server queue with waiting servers and customers' impatience under variant working vacation and vacation interruption %J Yugoslav journal of operations research %D 2023 %P 389 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2023_33_3_a3/ %G en %F YJOR_2023_33_3_a3