Section: Articles Title: The Two most important words : thank you / Robert A. Eckert Author: Eckert, Robert A. Related records: En: Harvard business review. - Boston : Impact Media Comercial S.A., 1988-. - 01/04/2013 Tomo 91 Número 4 - abril 2013 Other categories: 92 Rights: In Copyright (InC) See issue detail