GOPALA KRISHNAN, K. <br/><br/>
PRABHATH AROGYA VINJANAKOSAM 

 - 1st Ed. 
 - Thiruvananthapuram  Prabhath Book House, Thiruvananthapuram   1977 
<br/><br/><label>Dewey Class. No.: </label>032.948 12  / GOP/P