Kong, F. J. (2018). Customer service excellence. IN Beyond the Bottom Line [column]. Philippine Star.
Chicagoスタイル(17版)引用形式Kong, Francis J. "Customer Service Excellence. IN Beyond the Bottom Line [column]." Philippine Star 2018.
MLA(9版)引用形式Kong, Francis J. "Customer Service Excellence. IN Beyond the Bottom Line [column]." Philippine Star, 2018.
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