Hopson, Barrie, 12 pasos para el éxito brindando servicio Barrie Hopson y Mike Scally. - Buenos Aires Ediciones Macchi 1993 printing. - 182 p. ill. 23 cm. - Colección de management . Translation of: 12 steps to success through service. ISBN: 9505372280 Subjects--Topical Terms: Customer service--Management.Public relations LC Class. No.: HF5415.5 / .H6718 1993