APA (7 वां संस्करण) प्रशस्ति पत्र

Sayeed, R., & Naoshin, A. (2018). A comprehensive study on sales operation management of Singer Bangladesh Limited. BRAC University.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sayeed, Rubama, और Adiba Naoshin. A Comprehensive Study on Sales Operation Management of Singer Bangladesh Limited. BRAC University, 2018.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Sayeed, Rubama, और Adiba Naoshin. A Comprehensive Study on Sales Operation Management of Singer Bangladesh Limited. BRAC University, 2018.

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