Yapa,Piyasiri Amilasith. <br/><br/>
මහෞෂධ ගුණැති කහ 
 Mahaushadeeya Gunethi Kaha 

 - Nelundeniya  Biographic Educational Publication   2009 
 - 119p,Pl., 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs
<br/><br/><label>Universal Decimal Class. No.: </label>61(1-82)  / YAP