Kundius, Valentina Aleksandrovna, Andrey Vladimirovich Glotko, and Denis Gennadyevich Galkin. 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):292-99. https://econjournals.net.tr/index.php/ijefi/article/view/1734.