Iyer, R. J. Harichandanamadam <br/><br/>
Manasanthiyilekkoru vazhikatti / 
Harichandanamadam R. J. Iyer 
 - Thiruvananthapuram :  Paridhi Publications,  2018. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>9788819097008 
<br/><br/><label>Subjects--Index Terms: </label>Psychology Pleasantness