Ahmed, K., & Ahmed, R. (2019). An assessment of service quality in Esco Lifesciences (Bangladesh) Pvt. Limited. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAhmed, Kamrunnahar, और Riyashad Ahmed. An Assessment of Service Quality in Esco Lifesciences (Bangladesh) Pvt. Limited. BRAC University, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAhmed, Kamrunnahar, और Riyashad Ahmed. An Assessment of Service Quality in Esco Lifesciences (Bangladesh) Pvt. Limited. BRAC University, 2019.
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