RETRACTED: Improving the quality of tourist servicesDaniela Šálková, Sergey Yekimov, Renáta Křečková, Olena Yarmoliuk, Bobur Sobirov, Roman Oleksenko and Vitalii IhnatievE3S Web Conf., 538 (2024) 05003DOI: https://doi.org/10.1051/e3sconf/202453805003
