00382nam a22001337a 450000500170000000800410001702000220005804100080008008200120008810000200010024500510012026000630017130000140023420260505131215.0260505b        |||||||| |||| 00| 0 eng d  a978-955-644-110-9  aeng  a910.285  aPgrni Pussella   aFundamental Theories of Spatial Data and Gis/   aBelihuloya; bSabaragamuwa University of Sri Lanka, c2021  axiv, 101p