Rovenskikh, I. E., T. P. Belikova, T. A. Syrovatskaya, and E. A. Shamrina. “Theoretical Analysis of Forms and Methods for Society Enterprises Sustainable Development”. Amazonia Investiga, vol. 7, no. 12, Feb. 2018, pp. 337-40, https://amazoniainvestiga.info/index.php/amazonia/article/view/630.