Systematic approach to the evaluation of state support efficiency on the basis of the integrated indexGalina Snigireva, Natalia Malysheva, Lyudmila Adamaitis, Nadezhda Gamulinskaya and Nadezhda ZonovaMATEC Web Conf., 193 (2018) 05068DOI: https://doi.org/10.1051/matecconf/201819305068