Akib, W., & Islam, M. T. (2014). Effectiveness of sales channel, Airtel Bangladesh Limited. BRAC University.
Chicago Style (17. basım) AtıfAkib, Wasif, ve Md. Tamzidul Islam. Effectiveness of Sales Channel, Airtel Bangladesh Limited. BRAC University, 2014.
MLA (8th ed.) AtıfAkib, Wasif, ve Md. Tamzidul Islam. Effectiveness of Sales Channel, Airtel Bangladesh Limited. BRAC University, 2014.
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