Lyubashyts, V. Y., Razuvaev, N. V., Romanenko, V. B., Shestopal, S. S., & Gurak, L. V. (2018). State evolution mechanism: system approach. Amazonia Investiga, 7(14), 340–349. Retrieved from https://amazoniainvestiga.info/index.php/amazonia/article/view/527