Lipschutz, Seymour ;  Lipson, Marc Lars ; Patil, Varsha H.   <br/><br/>
Discrete mathematics 3rd ed. 

 - Mcgraw hill education pvt ltd.  New Delhi  2019 
 - xii,431 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>519.4