@book{5809,
	author = {Zubiría Samper, Miguel de,  and Zubiría Samper, Julian de.},
	title = {Fundamentos de pedagogía conceptual : },
	publisher = {Plaza & Janés Editores Colombia, },
	year = {1987.},
	address = {Bogotá : },
	edition = {2a,ed}
}