@book{24512,
	author = {Zalloua, Pierre and Ministry of national education youth and sports and Chahine, Ramez},
	title = {Life science secondary Education: Third year literature and humanities Sociology and Economics sections Teacher's Guide},
	publisher = {National center for educational research and development},
	year = {2000},
	series = {Le Livre Scolaire National},
	address = {Beyrouth}
}