Study and assessment of qualitative indicators of water sources in the Issyk-Kul mountain ecosystemNurila Mambetjanova, Alina Kerimbaeva, Oman Abyshev, Anar Zaripova and Damira AsanbekovaBIO Web Conf., 160 (2025) 02003DOI: https://doi.org/10.1051/bioconf/202516002003