Chowdhury, A. S., & Ullah, G. M. S. (2014). Advertising philosophies practiced by Airtel Bangladesh Limited. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChowdhury, Aakib Sarwer, और G. M. Shafayet Ullah. Advertising Philosophies Practiced by Airtel Bangladesh Limited. BRAC University, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChowdhury, Aakib Sarwer, और G. M. Shafayet Ullah. Advertising Philosophies Practiced by Airtel Bangladesh Limited. BRAC University, 2014.
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