TY - BOOK AU - Jayarathna, Lansakara Mudiyanselage Chathurika Swarnamali TI - The possibility of sustainable use of groundwater for agriculture in Mahaweli system h area in Sri Lanka U1 - 910.285 PY - 2017/// KW - Geographical information systems KW - Ground water N1 - Thesis submitted to the Faculty of Graduate Studies, University of Sri Jayewardenepura for the partial fulfillment of the Master Degree of Science in GIS and Remote sensing 2016/2017 ER -