2025. ASSESSMENT OF THE POTENTIAL OF CULTURAL ECOSYSTEM SERVICES OF THE HRAZDAN RIVER: (analysis of the suitability of water for swimming). Proceedings of the YSU C: Geological and Geographical Sciences. 59, 2 (266) (Aug. 2025), 482–489. DOI:https://doi.org/10.46991/PYSUC.2025.59.2.482.