@book{43109,
	author = {Sperb, Dalilla C.},
	title = {Dirección y supervisión en la escuela primaria},
	publisher = {Kapelusz},
	year = {1965.},
	series = {Biblioteca de Cultura pedagogica},
	address = {Buenos Aires},
	note = {Translation of : Administracao e supervisao na escola primaria.}
}