00471naa#a2200145#i#4500001002200000005001700022100004100039102000700080200010400087210005100191215001000242608003700252700002100289856001500310EN\INFRA-M\bibl\1462320260314165200.6##a20250114b2025####ek#y0engy0150####ca##aRU1#aTHE CHALLENGE OF ASSESSING THE EFFICIENCY OF PORTS: LACK OF DIGITAL DATAeConference article/thesis1#aMoscowcINFRA-M Academic Publishing LLC.d2025##a5 с.##aConference article/thesis2local#1aSamsonovagN. A.4#anaukaru.ru