@article{Sakharchuk2015model,
author={Sakharchuk, E.S.},
title={Model of education in the sphere of tourism as an invariant set of organizational-pedagogical conditions and principles},
journal={Universities for Tourism and Service Association Bulletin},
publisher={Russian State University of Tourism and Service},
year={2015},
pages={54-61},
volume={9},
issue={3},
}