Hossain, M. R., & Akareem, H. S. (2012). Collection and Retention Management of airtel. BRAC University.
Čikaški stil citiranja (17. izdanje)Hossain, Mir Rajib, i Husain Salilul Akareem. Collection and Retention Management of Airtel. BRAC University, 2012.
MLA način citiranja (8. izdanje)Hossain, Mir Rajib, i Husain Salilul Akareem. Collection and Retention Management of Airtel. BRAC University, 2012.
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