Olena Nykyforuk, Olga Stasyuk, Larysa Chmyrova, and Natalia Fedyaj. “SYSTEM OF DIGITAL TRANSFORMATION INDICATORS IN TRANSPORT SECTOR”. European Journal of Intelligent Transportation Systems, no. 1(2), July 2019, pp. 3-12, doi:10.31435/rsglobal_ejits/31072019/6576.