Elanganayagam,Padmini <br/><br/>
Studies on Ecology and Some Aspects on Biology of Sri Lanka Holothurians (Echinodermata : Holothurioidea) 

 - University of Jaffna 
 - Jaffna:  1983 
 - vii,214p. 
<br/><br/>Thesis 
<br/><br/>
<br/><br/><label>ISBN: </label>78300 
<br/><br/><label>Dewey Class. No.: </label>574.5  / ELA