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Shaha, Rajesh Kumar, Niaz Mahmud, Ridwan Bin Zafar, Sraboni Rahman, and Mohammed Belal Hossain Bhuian. Development of Navigation System for Visually Impaired Person. BRAC University, 2013.

Shaha, Rajesh Kumar, et al. Development of Navigation System for Visually Impaired Person. BRAC University, 2013.