Rahman, M. A., & Ghani, M. A. (2017). The perspective of Net Promoter Score (NPS) in Grameenphone Ltd. BRAC University.
Čikaški stil citiranja (17. izdanje)Rahman, Md. Ashikur, i Mohammad Ariful Ghani. The Perspective of Net Promoter Score (NPS) in Grameenphone Ltd. BRAC University, 2017.
MLA način citiranja (8. izdanje)Rahman, Md. Ashikur, i Mohammad Ariful Ghani. The Perspective of Net Promoter Score (NPS) in Grameenphone Ltd. BRAC University, 2017.
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