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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShaha, Rajesh Kumar, Niaz Mahmud, Ridwan Bin Zafar, Sraboni Rahman, और Mohammed Belal Hossain Bhuian. Development of Navigation System for Visually Impaired Person. BRAC University, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShaha, Rajesh Kumar, et al. Development of Navigation System for Visually Impaired Person. BRAC University, 2013.
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