BALAKRISHNAN NAIR, P. RAMAKRISHNAN NAIR, R. <br/><br/>
POLYTECHNIC BHOUTHIKAM, Volume II [ MAL ] 

 - 1st Ed. 
 - Trivandrum  Kerala Bhasha Institute, Thiruvananthapuram   1974 
<br/><br/><label>Dewey Class. No.: </label>530  / RAM/P.M