Mousumi, F., & Akhtar, A. (2014). Handling customer complains at Airtel Bangladesh Limited. BRAC University.
Lua i Stíl Chicago (17ú heag.)Mousumi, Farhana, agus Afsana Akhtar. Handling Customer Complains at Airtel Bangladesh Limited. BRAC University, 2014.
Lua MLA (8ú heag.)Mousumi, Farhana, agus Afsana Akhtar. Handling Customer Complains at Airtel Bangladesh Limited. BRAC University, 2014.
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