00720naa#a2200193#i#450# EN\\bibl\65761 20250224021527.1 1815-588X 20230620b2023####ek#y0engy0150####ca RU Improving Freight and Commercial Work on Railway Transport: Concept and Tools Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2023 11 с. Journal article local Управление грузовыми перевозками. 656.073 Smirnov Fedor Andreevich Novichihin Alexey Viktorovich Kovalev Konstantin Evgenievich itt-pgups.ru