Grishunin, Sergei V., Elena Naumova, and Natalya Lukshina. 2021. “Dеvеlорmеnt of the Horizon Indех to еvаluаtе lоng-Tеrmism of Russiаn Non-finаnсiаl Companies”. Russian Management Journal 19 (4):475–493. https://doi.org/10.21638/spbu18.2021.405.