Karranaitthoorum Ariviyal / 
Nellai S. Muthu 
 - Mutar patippu. 
 - iv, 116 pages :  illustrations, photographs ;  22 cm 
<br/><br/><label>ISBN: </label> RM22.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations
<br/><br/><label>Dewey Class. No.: </label>600