Khan, Samin Jan   (MSIS-5) <br/><br/>
A technique to discourage the relay attack on captcha 
Samin Jan Khan    
 - Rawalpindi  MCS(NUST)  February, 2010 
 - x, 71, p. 
<br/><br/>Introduction (page-1) Background/Literature survey (page-14) The proposed 3-Captcha machanism and its benefits (page-34) Implementation of proposed Captcha mechanism (page-40) Conclusion (page-52) 
<br/><br/><br/>  Almirah No.70 Shelf No.4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PG Thesis
<br/><br/><label>Subjects--Geographic Terms: </label><br/>MSIS-5
<br/><br/><label>Dewey Class. No.: </label>005.8