Robert, Panippilla <br/><br/>
Kadalarivukalum neranubhavangalum / 
Robert Panippilla 
 - Thiruvananthapuram :  Chintha publishers,   2018 . 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>9789387842649 
<br/><br/><label>Subjects--Index Terms: </label>Marine biology