@book{124915,
	author = {Nerbovig, Marcella Hannah},
	title = {Planeamiento de unidades},
	publisher = {Editorial Guadalupe},
	year = {1973 [c1970]},
	series = {Biblioteca pedagógica: Sección: Problemática de la educación.},
	address = {Buenos Aires},
	note = {Translation of : Unit planning: a model for curriculum development.}
}