Lee, C. S. (2016). Outqual instrument for measuring expectation GAP of outsourcing service quality in property maintenance and management.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lee, Chin Sheng. Outqual Instrument for Measuring Expectation GAP of Outsourcing Service Quality in Property Maintenance and Management. 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lee, Chin Sheng. Outqual Instrument for Measuring Expectation GAP of Outsourcing Service Quality in Property Maintenance and Management. 2016.
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