Sarker, R. A. (2015). Project management system of portonics limited. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSarker, Rashedul Alam. Project Management System of Portonics Limited. BRAC University, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSarker, Rashedul Alam. Project Management System of Portonics Limited. BRAC University, 2015.
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