BALAKRISHNA, V. K <br/><br/>
SCHAUM'S OUTLINE THEORY AND PROBLEMS OF COMBINATORICS 

 - NEW DELHI  McGraw-Hill  1995 
 - viii+200p., 27X20Cms 
<br/><br/><label>ISBN: </label>007003575X 
<br/><br/><label>Dewey Class. No.: </label>511.6 B171