00629naa#a2200169#i#450# EN\\bibl\42661 20241002151450.3 2073-5537 20210318b2021####ek#y0engy0150####ca RU Developing conceptual model of intellectual capital management system for innovation and industrial cluster in terms of digitalization Journal article Astrakhan Astrakhan State Technical University 2021 5 с. Journal article local Экономика. Экономические науки. 33 Alekseeva Natalia S. vestnik.astu.org