TY - BOOK AU - Lo, Chor Pang AU - Yeung, Albert K. W. TI - Concepts and techniques of geographic information systems SN - 9789332581883 U1 - 910.285 LOC PY - 2016/// CY - Noida PB - Pearson India Education Services KW - Geographic information systems KW - Maps KW - Geo-spatial data ER -