Oppenheim, Alan. <br/><br/>
Signal And Systems 
Allan V. Oppenheim 
 - 2nd 
 - Malaysia:  Pearson Education Services:  2020. 
 - 944 pages: 
<br/><br/><label>ISBN: </label>9789673498352 
<br/><br/><label>Dewey Class. No.: </label>621.3822 OPP-S 2020