DR.SPENCER JOHNSON <br/><br/>
ENTE SUKHANUBHAVANGALKKU BHANGAM VARUTHIYATHARANU. 

 - 3rd Ed. 
 - Kottayam  D.C.Books, Kottayam   2006 
<br/><br/><label>ISBN: </label>8126407352 
<br/><br/><label>Dewey Class. No.: </label>894.812 301  / DR./E