@article{Sargsyan2015psychological,
author={Sargsyan, O.. and Gevorkyan, A.. and Khachaturova, E.. and Mnatsakanyan, B..},
title={Psychological factors that ensure reliable operation of the football referee},
journal={Living psychology},
publisher={Ltd Radomir-M+},
year={2015},
pages={301-310},
volume={2},
issue={4},
}