Zubareva, Lyubov Vitalyevna, Alsu Vinirovna Kuramshina, and Egor Vladimirovich Zavedeev. 2020. “Small and Medium-Sized Businesses in Towns of Commodity Regions As Source of Diversification and Modernization of Their Economy”. Amazonia Investiga 9 (31):21-35. https://doi.org/10.34069/AI/2020.31.07.2.