@book{1702,
	author = {GARCIA RODRIGUEZ, GUALBERTO JUAN. and INSTITUTO TECNOLOGICO DE TUXTLA GUTIERREZ.},
	title = {EL ENFOQUE DE SISTEMAS EN LA INVESTIGACION  DE EXPECTATIVAS DEATENCION EDUCATIVA/ },
	publisher = {EL AUTOR},
	year = {1987},
	address = {TUXTLA GTZ., CHIS: }
}