TY JOUR TI Analysis by the information tools hierarchy method in providing cost calculations in civil shipbuilding KW digitalization of design KW civil shipbuilding KW calculation of labor intensity KW calculation of cost KW labor costs JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Rodkina, A.. AU Kalmykov, V.. PY 2024 IS 2024 PB Astrakhan State Technical University