@book{70088,
	author = {Paín, Sara and Echeverría de Jons, Haydée},
	title = {Psicopedagogía operativa},
	publisher = {Editorial Galerna},
	year = {[1969]},
	series = {Psicología Galerna},
	address = {Buenos Aires]},
	edition = {[1. ed.}
}