@book {66690,
	title = {Fuzzy relative importance \&lrm;of \&lrm;customer \&lrm;requirements in Improving Product Development. In the Proceedings of the 5th IEEE, ISBN: 978-1-4673-5812-5},
	year = {2013},
	month = {2013},
	pages = {pp 1-6},
	author = {Fateh, Bencherif and Hayet, Mouss Leila and Mohamed, Meguellati}
}
