00444nam a22001457a 4500001000500000003000400005005001700009008004100026040001200067100001700079245007500096300001000171500009000181650002700271F-29ZAF20260128043219.0210312b        xxu||||| |||| 00| 0 eng d  cMARC 21  aZafar, Ahsan  aBlind navigation system/cAhsan Zafar, Fahad Khilji, and Fakhia Fayyaz  aviii;  aSupervised by Prof Dr. Muhammad Iqbal Bhatti and Co- supervised by Engr. Sadia Jangda  aBiomedical Engineering