1. A File base GIS Anchored Information Retrieval Scheme (FBGISIRS) through vectorization of raster map;Chakraborty;International Journal of Advanced Research in Computer Science,2011
2. S.A. Mollah Numerical analysis and computational procedure: including computer fundamentals and programming in Fortran77 Books and Allied New Delhi
3. FEMA 2005 Earthquake hazard mitigation for nonstructural elements: field manual Washington, DC http://mitigation.eeri.org/files/FEMA74_FieldManual.pdf
4. Wikipedia Earthquake prediction www.en.wikipedia.org/wiki/Earthquake-prediction
5. Devlopment of GIS based landslide information system for the region of East Sikkim;Chakraborty;International Journal of Computer Application,2012