Dayawansa, N.D.K Geo-informatics for environmental conservation and management proceedings of the third national symposium on geo-informatics - n.p. Geo-informatics Society of Sri Lanka 2006 - 124 p. Illustration ISBN: 9551308042 Subjects--Topical Terms: BOOKS BOX 838GEOINFORMATICSSINHALA NOVEL Dewey Class. No.: B0838 / LDC