00518naa#a2200157#i#450# EN\RIOR\bibl\72579 20250116184728.4 2500-1469 20231230b2023####ek#y0engy0150####ca RU Transport service standard as the basis for improving the quality of passenger transportation by public transport Journal article Moscow Publishing Center RIOR 2023 10 с. Journal article local Skvorcova Galina Gennad'evna zh-szf.ru