@book{16146,
	author = {Chervel, Marc and Ministere des Relations Exterieures Cooperation et Developpement-Francia},
	title = {Manuel d'evaluation economique des projets : la methode des effets},
	publisher = {Ministere des Relations Exterieures,},
	year = {1984},
	series = {Methodologie de la planification, 10},
	address = {Paris : }
}