@article{Romankova2020sources,
author={Romankova, Y.. and Shapovalova, M.A. and Rasulova, L..},
title={SOURCES OF COMPETITIVE ADVANTAGE OF THE PHARMACY CHAIN},
journal={CASPIANJOURNALOF MEDICINE AND PHARMACY},
publisher={Astrakhan State Medical University},
year={2020},
pages={26-31},
volume={1},
issue={1},
}