Johnston, R. (2018). Service Operations Management: Improving Service Delivery (4th.). Pearson.
Chicago Style (17. basım) AtıfJohnston, Robert. Service Operations Management: Improving Service Delivery. 4th. Pearson, 2018.
MLA (9th ed.) AtıfJohnston, Robert. Service Operations Management: Improving Service Delivery. 4th. Pearson, 2018.
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