Saha, K., & Akhter, R. (2017). After sales service of Grameenphone Ltd. BRAC University.
Čikaški stil citiranja (17. izdanje)Saha, Kisan, i Rahma Akhter. After Sales Service of Grameenphone Ltd. BRAC University, 2017.
MLA način citiranja (8. izdanje)Saha, Kisan, i Rahma Akhter. After Sales Service of Grameenphone Ltd. BRAC University, 2017.
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