Balakrishnan, Venganoor <br/><br/>
108 Upanishads / 
 Noottiyettu Upanishads 
Venganoor Balakrishnan 
 - Thiruvananthapuram :  Aarshasri,  2017. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Philosophy - Indian