“Project for ‘Fundamental Research and Excellence’ (under the 2011 budget) in Public Higher Education Institutions, as part of the National Program for Research and Development, titled: ‘Measurement of Radon Gas Concentration in the Air of Different Areas of Tirana and Creation of a Thematic Mapping System as an Integral Part for Visualizing the Project Results’ September 2011.” (Coordinator: M. Kuqali, Member: A. Hoxha, D. Mitrushi, Sh. Kuka, T. Myftiu, E. Duka,)