@article {65891,
	title = {Scheduling a maintenance activity under skills constraints to minimize total weighted tardiness and late tasks},
	journal = {International Journal of Industrial Engineering ComputationsInternational Journal of Industrial Engineering Computations},
	volume = {6},
	year = {2015},
	month = {2015},
	pages = {135-144},
	author = {Djalal HEDJAZI}
}
