%0 Journal Article %A Zamani, Reza %T An innovative four-layer heuristic for scheduling multi-mode projects under multiple resource constrains %J RAIRO - Operations Research - Recherche Opérationnelle %D 2019 %P 1309-1330 %V 53 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2019012/ %R 10.1051/ro/2019012 %G en %F RO_2019__53_4_1309_0