@article{RO_2019__53_4_1309_0,
     author = {Zamani, Reza},
     title = {An innovative four-layer heuristic for scheduling multi-mode projects under multiple resource constrains},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {1309--1330},
     publisher = {EDP-Sciences},
     volume = {53},
     number = {4},
     year = {2019},
     doi = {10.1051/ro/2019012},
     mrnumber = {3989211},
     zbl = {1425.90054},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2019012/}
}