@book{31378,
	author = {Hehman, Raymond D. and Coronado P., Hugo Alberto.},
	title = {Desarrollo y ejecucion de estrategias de mercadeo /},
	publisher = {Norma,},
	year = {1991.},
	series = {Desarrollo gerencial},
	address = {[Bogotá] :},
	note = {Incluye apendice e indice.}
}