Ruhanuzzaman, M., Mahmud, N., & Department of Computer Science and Engineering, B. U. (2010). VOIP adoption and bussiness prospective in Bangladeh. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRuhanuzzaman, MD, Nahid Mahmud, और BRAC University Department of Computer Science and Engineering. VOIP Adoption and Bussiness Prospective in Bangladeh. BRAC University, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRuhanuzzaman, MD, et al. VOIP Adoption and Bussiness Prospective in Bangladeh. BRAC University, 2010.
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