@article{Kuprina2011ekskursiya,
author={Kuprina, L..},
title={Ekskursiya kak vid rekreatsionnoy deyatel'nosti detey i podrostkov: kul'turologicheskiy podkhod},
journal={Bulletin of Nizhnevartovsk State University},
publisher={Nizhnevartovsk State University},
year={2011},
pages={87-90},
volume={},
issue={2},
}