@book{499043,
	author = {Ramirez Apaez, Marissa and Ramirez Apaez, Adriana},
	title = {Sugerencias didacticas para el desarrollo de competencias en secundaria},
	publisher = {Trillas,},
	year = {2005.},
	address = {México :},
	edition = {1. ed.},
	note = {Reimpresion, 2007.}
}