Zyukin, D. A., Zhilyakov, D. I., Bolokhontseva, Y. I. and Petrushina, O. V. (2020) “Export of Russian grain: prospects and the role of the state in its development”, Amazonia Investiga, 9(28), pp. 320–329. doi: 10.34069/AI/2020.28.04.36.