Akib, W., & Islam, M. T. (2014). Effectiveness of sales channel, Airtel Bangladesh Limited. BRAC University.
Čikaški stil citiranja (17. izdanje)Akib, Wasif, i Md. Tamzidul Islam. Effectiveness of Sales Channel, Airtel Bangladesh Limited. BRAC University, 2014.
MLA način citiranja (8. izdanje)Akib, Wasif, i Md. Tamzidul Islam. Effectiveness of Sales Channel, Airtel Bangladesh Limited. BRAC University, 2014.
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