@article{oleshko_heiets_pavliuk_2020, 
  title={STATE AND PROSPECTS OF DEVELOPMENT OF PASSENGER TRANSPORTATION OF UIA AIRLINE}, 
  DOI={10.32782/2520-2200/2020-1-23}, 
  number={1 (75)}, 
  publisher={Publishing House Helvetica}, 
  author={Oleshko, Tamara and Heiets, Iryna and Pavliuk, Yevhenii}, 
  year={2020}
  }