Cyril de Run, E., & Liew, L. T. (2007). Free food - some possibility: Service recovery strategies in western based fast food restaurant / Ernest Cyril de Run and Liew Li Tyng. University Publication Centre (UPENA).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCyril de Run, Ernest, और Li Tyng Liew. Free Food - Some Possibility: Service Recovery Strategies in Western Based Fast Food Restaurant / Ernest Cyril De Run and Liew Li Tyng. University Publication Centre (UPENA), 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCyril de Run, Ernest, और Li Tyng Liew. Free Food - Some Possibility: Service Recovery Strategies in Western Based Fast Food Restaurant / Ernest Cyril De Run and Liew Li Tyng. University Publication Centre (UPENA), 2007.
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