@inproceedings{sgem2018S14028,
  title = {FACTORS OF BUSINESS ENGLISH FUNCTIONAL EFFICIENCY},
  author = {E. V. Ponomarenko},
  booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018},
  year = {2018},
  pages = {209-216},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2018/3.6/S14.028}
}