Kundius, V. A., Glotko, A. V., & Galkin, D. G. (2015). The Prospects of Ecologically Clean Farming Production in the Cross-Border Areas of the Great Altai. International Journal of Economics and Financial Issues, 5(3S), 292–299. Retrieved from https://econjournals.com.tr/index.php/ijefi/article/view/1734