@book{43433,
	author = {Elsbree, Willard Slingerland},
	title = {Como hacer progresar al escolar.},
	publisher = {Paidós},
	year = {1965.},
	series = {Biblioteca del educador contemporáneo},
	address = {Buenos Aires},
	note = {Translation of : Pupil progress in the elementary school.}
}