00548 a2200169 4500 9789553004529 302.23 GUN 16678 25274 ගුණසේන, චන්දන පී. සිතියම් භූගෝලීය තොරතුරැ පද්දති සහ දුරස්ථ සංවේදය කොළඹ. ඇස්. ගොඩගේ 2008 2008 96p. 22cm. SOCIAL SCIENCE MEDIA COMMUNICATIONS L 44654 44654 0 0 0 0 LEN MAIN MAIN LEN 2009-05-28 1 302.23GUN 28654 2017-09-11 00:00:00 2017-08-15 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-05-28 0 302.23GUN 28655 2017-09-11 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-05-28 0 302.23GUN 28656 2017-09-11 00:00:00 0.00 2016-10-31 L