There are three aspects to services that distinguish it from physical goods: intangibility, heterogeneity, and inseparability.
CITATION STYLE
Kenyon, G. N., & Sen, K. C. (2015). The Dimensions of Service Quality. In The Perception of Quality (pp. 215–221). Springer London. https://doi.org/10.1007/978-1-4471-6627-6_15
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