LEONARDO INGHILLERI; MICAH SOLOMON. Exceptional Service Exceptional Profit The Secrets of Building a Five-Star Customer Service Organization (Published By : AMACOM/American Management Association) (ISBN 13:9780814415382, Pages – 192). International Journal of Technology, Management and Humanities, [S. l.], v. 2, n. 02, 2016. Disponível em: https://ijtmh.com/index.php/ijtmh/article/view/20. Acesso em: 29 apr. 2026.