Gunawardena, N.K.2015-08-202015-08-202014The Bulletin of the Sri Lanka College of Microbiologists.2014;12:34-371391-930Xhttp://repository.kln.ac.lk/handle/123456789/9245There is no single definition for geographic information system (GIS). There are many working definitions and most of them are acceptable for understanding purpose. A geographic information system is a computer system that incorporates hardware, software, and data for capturing, managing, analyzing, and displaying all forms of geographically referenced information.en-USGeographic information systemArticle