@article {1971901,
	title = {Decision Support for Unrelated Parallel-Machine Scheduling with Discrete Controllable Processing Times},
	journal = {Applied Soft Computing},
	volume = {30},
	year = {2015},
	month = {2015},
	pages = {475-483},
	keywords = {Supply Chain},
	author = {Hsieh,Ping-Hung and Yang,Suh-Jenq and Yang,Dar-Li}
}