De Silva, M. Asoka <br/><br/>
Evolution of technological innovations in ancient Sri Lanka 

 - Colombo  Vijitha Yapa  2011 
 - xxv, 444p..  24cm. 
<br/><br/><label>ISBN: </label>9789556651409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sri lanka<br/>Civiliztion - Sri Lanka<br/>Technological innovation  Sri Lanka<br/>Technology - Sri Lanka<br/>Technology - Civilization - Sri Lanka
<br/><br/><label>Dewey Class. No.: </label>909.095493  / DES