Syed Amier Haider Shah <br/><br/>
Breaking and improving captcha based e-banking protection systems 
Syed Amier Haider Shah & M. Asad Usman 
 - Islamabad :  NUST School of Electrical Engineering & Computer Science,  2010. 
 - 28 p. :  ill. ;  27 cm. +  1CD ROM 
<br/><br/> Supervisors : Dr. Ali Khayam, Dr. Fauzan Mirza. 
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