Iswarananda Swami <br/><br/>
Iswara sakshatkaram yuktichintayilude / 
Iswarananda Swami; translated by Ammini Bhattathiripad 
 - 3rd ed. 
 - Thrissur :  Sri Ramakrishna Math,  2008. 
<br/><br/> Original title: Goe realisation through reason 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Philosophy - Logic Upanishad