@article{OSIPOVA 2017assessing,
author={OSIPOVA , N.. and ILYASOVA, А.V.},
title={ASSESSING THE TOURISM  AND RECREATIONAL POTENTIAL  OF PENZA REGION},
journal={Services in Russia and abroad},
publisher={Russian State University of Tourism and Service},
year={2017},
pages={52-61},
volume={11},
issue={3},
}