Meso-level investment management in transport projects with the application of the public-private partnership mechanismPravkin A. Sergei, Vera V. Smirnova, Rosalina V. Shagieva, Igor V. Arkhipov and Diana V. ErofeevaE3S Web Conf., 208 (2020) 06019DOI: https://doi.org/10.1051/e3sconf/202020806019