@book{37158,
	author = {Alvarez de Zayas, Carlos M. and González Agudelo, Elvia María.},
	title = {Lecciones de didactica general /},
	publisher = {Cooperativa Editorial del Magisterio,},
	year = {2003.},
	series = {Colección Didacticas},
	address = {Bogotá :}
}