Kochumman, C <br/><br/>
Pragathakalanam 

 - Thiruvananthapuram  State Institute of Languages  1975 
 - 296p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Science--Mathematics--Generalia
<br/><br/><label>Dewey Class. No.: </label>515.15  / KOC-P