@book{68388,
	author = {Ardant,Gabriel},
	title = {Technique De L'état DeLa Productivité Du Secteur Public /},
	publisher = {Presses Universitaires De France,},
	year = {1953 .},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-06708.pdf}
}