Raj, M. H., & Chowdhury, F. (2016). Customer service of Grameenphone. BRAC University.
Chicagoスタイル(17版)引用形式Raj, Muradul Haque, , Fairuz Chowdhury. Customer Service of Grameenphone. BRAC University, 2016.
MLA(8版)引用形式Raj, Muradul Haque, , Fairuz Chowdhury. Customer Service of Grameenphone. BRAC University, 2016.
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