Тарнопольський, О. Б. “Analysis of Peculiarities of Constructivist Textbook of English for Teaching Future Tourism Managers”. The Journal of V.N. Karazin Kharkiv National University. Series: Foreign Philology. Methods of Foreign Language Teaching, no. 85, Oct. 2017, pp. 158-63, doi:10.26565/2227-8877-2017-85-23.