Ahana, S. H., & Nayeem, I. A. (2019). Grameen Phone Limited (communications corporate affairs). BRAC University.
Lua i Stíl Chicago (17ú heag.)Ahana, Sumaya Hasan, agus Imtiaz Alam Nayeem. Grameen Phone Limited (communications Corporate Affairs). BRAC University, 2019.
Lua MLA (8ú heag.)Ahana, Sumaya Hasan, agus Imtiaz Alam Nayeem. Grameen Phone Limited (communications Corporate Affairs). BRAC University, 2019.
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