@book{68948,
	author = {Casas Sánchez, Yolanda. and UACH. Departamento de Economía Agrícola.},
	title = {Distribución del ingreso en el Plan Chaac},
	publisher = {El autor,},
	year = {1989},
	address = {Chapingo, Méx. :},
	note = {32-97}
}