@book{24557,
	author = {El-Hage, Ibrahim},
	title = {Building Up Mathematics - Secondary education, Third year. General sciences section. Algebra and geometry.Teacher's Guide },
	publisher = {Centre de Recherche et de Développement Pédagogiques},
	year = {2000},
	series = {Le livre scolaire national},
	address = {Beirut}
}