Butko, T. V., V. M. Prokhorov, L. O. Parkhomenko, and A. O. Prokopov. “Improvement of Technology of Passenger Intermodal Transportation With Involvement of Railway Transport in the Conditions of Tourism Development”. Science and Transport Progress, no. 1(91), Feb. 2021, pp. 37-50, doi:10.15802/stp2021/228106.