1. [1] Khan, H., L. Vasilescu and A. Khan, Disaster management cycle � a theoretical approach, Management and Marketing Journal, Vol. 6, No. 1, 2008, pp. 43-50.
2. [2] Dao and Peduzzi, Global Risk And Vulnerability Index Trends per Year (GRAVITY), Phase IV: Technical annex and multiple risk integration. Geneva: UNDP/BCPR, 2003
3. [3] Solakov et al., Seismic risk management for buildings. Sofia. Acad. Publ. house �Prof. M. Drinov, pp 195., 2019, ISBN:978-954-322-988-8
4. [4] Solakov, D., Trifonova, P., Metodiev, M., Simeonova, S. GIS based analysis for evaluation of human risk due to earthquakes in Bulgaria. International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM, 20, 1.2, 2020, DOI:10.5593/sgem2020/1.2/s05.072, 567-574.
5. [5] Methodology for analysis, assessment, and mapping of the seismic risk of the Republic of Bulgaria, Ministry of Regional Development and Public Works, Construction and Architecture Bulletin, no. 5, Itus'98 pp. 132, 2018, ISSN 0324-0711