... Underlying such failures is often a lack of understanding of some of the key principles of service marketing and management. Technological change affects many other types of services, too, from airfreight ... Lovelock, "Classifying Services to Gain Strategic Marketing Insights,"Journal of Marketing 47 (Summer 1983): 9—20; Christian Gronroos, Service Management and Marketing (Lexington MA: ... Johnston, and Christopher Voss, "Towards a Classification of Service Processes," International Journal of Service Industry Management 3, no. 3 (1992): 62 75 ; and CHAPTER ONE • WHY STUDY SERVICES?...