@article{Ivanushko2013managerial,
author={Ivanushko, D.. and Kharitonova, T.V. and Krivosheeva, T.. and Dron, A..},
title={MANAGERIAL STRATEGIES AND POLICIES AS CONDITIONED  BY THE CHANGING EXTERNAL ENVIRONMENT},
journal={Services in Russia and abroad},
publisher={Russian State University of Tourism and Service},
year={2013},
pages={39-51},
volume={7},
issue={9},
}