¬ródło: | W: International Conference on Geolinks, Plovdiv, Bulgaria, 23-25 March 2020. Conference proceedings. Book 2. Vol. 2, Ecology and environmental studies. Environmental economics. Green buildings technology and materials. Green design and sustainable architecture. Slovak Academy of Siences, Czech Academy of Sciences, National Academy of Sciences of Ukraine, Bulgarian Academy of Sciences, Polish Academy of Sciences, Academy of Sciences of Hungary, Serbian Academy of Sciences, Turkish Academy of Sciences, Academy of Sciences of Moldovia, Islamic World Academy of Sciences, Latvia Academy of Sciences. Sofia : Saima Consult Ltd., 2020, s. 25-34, bibliogr. 14 poz. |