Choudhury, A., & Ghani, M. A. (2019). Mobile number portability of Robi Axiata ltd: Acquiring more customers and sustain the existing market during the era of mobile number portability. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChoudhury, Ananya, और Md. Ariful Ghani. Mobile Number Portability of Robi Axiata Ltd: Acquiring More Customers and Sustain the Existing Market During the Era of Mobile Number Portability. BRAC University, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChoudhury, Ananya, और Md. Ariful Ghani. Mobile Number Portability of Robi Axiata Ltd: Acquiring More Customers and Sustain the Existing Market During the Era of Mobile Number Portability. BRAC University, 2019.
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