@article{Tarnopolsky2017developing,
author={Tarnopolsky, O..},
title={DEVELOPING A CONSTRUCTIVIST TEXTBOOK OF ENGLISH FOR UNIVERSITY STUDENTS MAJORING IN TOURISM},
journal={Austrian Journal of Humanities and Social Sciences},
publisher={Premier Publishing s.r.o.},
year={2017},
pages={56-62},
volume={2017},
issue={1-2},
}