@book{24523,
	author = {National center for educational research and development and Ministry of national education youth and sports  and Khoury, Malakeh},
	title = {Themes Secondary Education Third Year Sociology and Economics Section Workbook},
	publisher = {Educational center for research and developement},
	year = {2007},
	series = {Le Livre Scolaire National},
	address = {Beirut}
}