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Calculation of factor of a parity of quantity paid and without a payment of passengers on trolleybus and bus routes of the city of Sumy
Head: Горбачов Петр Федорович. Calculation of factor of a parity of quantity paid and without a payment of passengers on trolleybus and bus routes of the city of Sumy. Kharkiv National Automobile and Road University. № 0109U004603

Updated: 2026-10-09


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