@book{2410,
	author = {Ignacio Abdón Montenegro Aldana},
	title = {Evaluemos Competencias En Ciencias Naturales Grados 7O, 8O, 9O / },
	publisher = {Editorial Magisterio.},
	year = {2003},
	address = {Bogotá : },
	edition = {1 ed.}
}