@article{Kostovarova2015excursion,
author={Kostovarova, V.. and Chudaykina, G..},
title={Excursion as one of the methods of interactive learning foreign languages in universities for tourism and service},
journal={Servis Plus},
publisher={Russian State University of Tourism and Service},
year={2015},
pages={100-106},
volume={9},
issue={2},
}