@book{54474,
	author = {رجب محمود طاجن},
	title = {عقود الشراكة PPP :},
	publisher = {دار النهضة العربية ،},
	year = {2007 .},
	address = {القاهرة :},
	edition = {الطبعة الأولى},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B07-02426.pdf}
}