Oppenheim, Alan V.  Schafer, Ronald W <br/><br/>
Discrete-Time Signal Processing 

 - 3rd Ed. 
 - Noida:  Pearson,  2022. 
<br/><br/><label>ISBN: </label>9789332535039 
<br/><br/><label>Dewey Class. No.: </label>621.38043  / OPP/D