Arambewela Lakshmi  Alagiyawanna Sachintha <br/><br/>
Sri Lanka Medicinal Plant Monographs And Analysis Vol - 9 Piper Betle 

 - Colombo  National Science Foundation  2006 
 - 42 p. 
<br/><br/><label>ISBN: </label>955-590-043-4 
<br/><br/><label>Dewey Class. No.: </label>615  / ARA