Proceeding  PGIS Research congress 2017 September 8-9, 2017 

 - Peradeniya  University of Peradeniya  2017 
 - xxiv, 181 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX B1759<br/>RESEARCH<br/>SCIENCE
<br/><br/><label>Dewey Class. No.: </label>B1759  / LDC