Impact of the activities of tour operators destabilizing changes in tourist destinations and ecotourism as a factor to minimize themIllia Pysarevskyi, Larysa Obolentseva, Iryna Polchaninova, Oksana Kharchenko and Olenа UhodnikovaE3S Web Conf., 175 (2020) 10015DOI: https://doi.org/10.1051/e3sconf/202017510015