%0 Journal Article %A Manel Kammoun %A Houda Derbel %A Bassem Jarboui %T Two Meta-Heuristics for Solving the Multi-Vehicle Multi-Covering Tour Problem With a Constraint on the Number of Vertices %J Yugoslav journal of operations research %D 2021 %P 299 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2021_31_3_a1/ %G en %F YJOR_2021_31_3_a1