Sakil, B. A., & Ghosh, S. K. (2014). Grameenphone‘s loyalty program in telecommunication sector based on customer insight &behavior. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSakil, Bulbul Ahammed, और Suntu Kumar Ghosh. Grameenphone‘s Loyalty Program in Telecommunication Sector Based on Customer Insight &behavior. BRAC University, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSakil, Bulbul Ahammed, और Suntu Kumar Ghosh. Grameenphone‘s Loyalty Program in Telecommunication Sector Based on Customer Insight &behavior. BRAC University, 2014.
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