@book{67050,
	author = {حيدر محمد على بنى عطا},
	title = {مفاهيم اساسية  :},
	publisher = {دار الحامد للنشر والتوزيع،},
	year = {2007 .},
	address = {الاردن :},
	edition = {ط1}
}