TY JOUR TI Method for determining the options effectiveness for organizing transportation by barge-towing combinations KW water transport KW barge-tug combinations KW efficiency of cargo transportation KW objective function KW the integral matrix JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Zhidkova, A.. AU Olkhovik, E.. PY 2024 IS 2024 PB Astrakhan State Technical University