Greene, Walter E.; Walls, Gary D.; Schrest, Larry J. - In: Journal of Services Marketing 8 (1994) 4, pp. 5-13
In North America, 80 percent of the jobs and 60 percent of the gross ational product come from the performance of services rather than the production of products. Organizations that deliver high‐quality service increase or maintain market share and have a higher return on sales than do their...