Davis, Harmer E <br/><br/>
Pathartha Parishodhanayum Parishanangalum 

 - Thiruvananthapuram  State Institute of Languages  1900 
 - 369p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--general stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>technology--engineering and applied operationGeneralia
<br/><br/><label>Dewey Class. No.: </label>620  / DAV-P