. Ahdanjad Mohsen, 1388, Modeling the vulnerability of cities against earthquakes, a case study of Zanjan city, PhD dissertation in geography and urban planning, University of Tehran.
. Carlos A. Villacis and Cynthia N. Cardona, (1999), Guidelines for the implementation of earthquake risk management projects. Geo hazards International. Palo Alto, California.
. Gulati.B, (2006), Earthquake Risk Assessment of Buildings Applicability of HAZUS in Dehradun, India, Unpublished MS Thesis, ITC, the Netherlands.
. UNDP (2004), Reducing Disaster Risk, A Challenge for Development.