Keet,Ernest E. <br/><br/>
Preventing Piracy:A Business Guide To Software Protecti 

 -  Addison-Wesley Publishing Co.  1985 
<br/><br/> 156 P. 
<br/><br/>PEMBEKAL:KOP.KEDAI BUKU UM/NO.LO. 
<br/><br/><label>Dewey Class. No.: </label>347.306482 KEE