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). IJTMH. 2016;2(02). Accessed April 29, 2026. https://ijtmh.com/index.php/ijtmh/article/view/20