@book{2591,
	author = {Escudero Muñoz, Juan Manuel},
	title = {Cómo formular objetivos operativos},
	publisher = {Cincel-Kapelusz},
	year = {1988},
	series = {Diálogos en educación},
	address = {Bogotá},
	edition = {11ª ed.}
}