Dr. K Velayudhan Nair <br/><br/>
Thatvachintha 

 - D C Press  Kottayam  1984 
 - 178p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia<br/>വിജ്ഞാനകോശം
<br/><br/><label>Dewey Class. No.: </label>039.914  / VEL/T M4