P.I.Yapa <br/><br/>
Scientific Aspect of Ancient Sri Lankan Agricultural Technology/  

 - Sri Lanka:  Sabaraganuwa University,   2021 
 - xvii, 50p. 
<br/><br/><label>ISBN: </label>978-955-644-113-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630.95493