00432nam a22001457a 4500 621 Arshad, Hira MEMS based braille system. Hira Arshad. Islamabad: CEME - NUST, 2015. 45 p. : ill. ; 30cm. Mechatronics Engineering MS-Thesis. 16096 Dr. Umer Izhar 29344 ddc THE 540691 540691 0 0 ddc 0 621_000000000000000 0 500453 CL CL THE 2020-11-03 0 621 CL-T-613 2020-11-03 2020-11-03 THE