TATYGUL, U., and A. CHYMYROV. “GEOENVIRONMENTAL IMPACT STUDIES FOR HYDRO-ENERGY PROJECTS: NARYN RIVER IN KYRGYZSTAN”. Studia Universitatis Babeș-Bolyai Geographia, vol. 62, no. 1, Apr. 2017, pp. 59-66, doi:10.24193/subbgeogr.2017.1.04.