Gopala Pilla, S. <br/><br/>
Yogaratna samuchayam / 
by S. Gopala Pilla 
 - 4th ed. 
 - Alappuzha :  Vidyarambham Publishers,  1988. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Ayurveda Medicine