Mousumi, F., & Akhtar, A. (2014). Handling customer complains at Airtel Bangladesh Limited. BRAC University.
Čikaški stil citiranja (17. izdanje)Mousumi, Farhana, i Afsana Akhtar. Handling Customer Complains at Airtel Bangladesh Limited. BRAC University, 2014.
MLA način citiranja (8. izdanje)Mousumi, Farhana, i Afsana Akhtar. Handling Customer Complains at Airtel Bangladesh Limited. BRAC University, 2014.
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