Brualdi, R A . <br/><br/>
Introductory combinatories / 
by R.A. Brualdi. 
 - 5th ed. 
 - Noida :  Pearson India,  2020. 
 - xi, 605 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789353433062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Combinatorial analysis.
<br/><br/><label>Dewey Class. No.: </label>511.6  / BRU/I