Co, I. K. D., & Tamayo, J. P. D. (2012). Application of the importance-performance model in determining male and female tour guides service quality. UP Asian Institute of Tourism.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCo, Ira Keziah D., और Joyce Patricia D. Tamayo. Application of the Importance-performance Model in Determining Male and Female Tour Guides Service Quality. Quezon City: UP Asian Institute of Tourism, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCo, Ira Keziah D., और Joyce Patricia D. Tamayo. Application of the Importance-performance Model in Determining Male and Female Tour Guides Service Quality. UP Asian Institute of Tourism, 2012.
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