Lua APA (7ú heag.)

Rahman, M. S., & Sharkar, M. Z. H. (2011). eCRM and eCRM practices in GrameenPhone and its impact. BRAC University.

Lua i Stíl Chicago (17ú heag.)

Rahman, Md. Saifur, agus Mohammad Zakir Hossain Sharkar. ECRM and ECRM Practices in GrameenPhone and Its Impact. BRAC University, 2011.

Lua MLA (8ú heag.)

Rahman, Md. Saifur, agus Mohammad Zakir Hossain Sharkar. ECRM and ECRM Practices in GrameenPhone and Its Impact. BRAC University, 2011.

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