@book{53985,
	author = {منصور محمد احمد},
	title = {  العقود الإدارية.},
	publisher = {دار النهضة العربية,},
	year = {2000.},
	address = {القاهرة :},
	edition = {الطبعةالاولى},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B07-02562.pdf}
}