O. Arefyeva, V. Prokhorova, N. Chebanova, V. Khaustova, and S. Mushnikova, “Opening theory as an innovative model of the development strategy of industrial companies”, IJET, vol. 7, no. 4.3, pp. 387–392, Sep. 2018, doi: 10.14419/ijet.v7i4.3.19839.