Waheed, S. (2015). Customer service marketing through general banking. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWaheed, Sazzad. Customer Service Marketing Through General Banking. BRAC University, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWaheed, Sazzad. Customer Service Marketing Through General Banking. BRAC University, 2015.
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