@book{212408,
	author = {Alvarez Heredia, Francisco. and Alvarez Heredia, Benjamín.},
	title = {Estimulación temprana},
	publisher = {Ecoe Ediciones},
	year = {2009.},
	series = {Ciencias humanas},
	address = {Bogotá},
	edition = {7. ed.}
}