@book{75499,
	author = {Westermann, H.},
	title = {Verwaltung Und Wirtschaft :},
	publisher = {W. Kohlhammer Verlag,},
	year = {1960.},
	address = {Deutschland:},
	edition = {2. Erweiterte Auflage},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B07-06241.pdf}
}