@book{22987,
	author = {المعهد القومى للتخطيط },
	title = {"Projects planning management and controlling using "primavera project planner /},
	publisher = {المعهد القومي للتخطيط },
	year = {2006},
	series = {مذكرات داخلية},
	address = {القاهرة }
}