Zubareva, Lyubov Vitalyevna, Alsu Vinirovna Kuramshina, y Egor Vladimirovich Zavedeev. «Small and Medium-Sized Businesses in Towns of Commodity Regions As Source of Diversification and Modernization of Their Economy». Amazonia Investiga 9, no. 31 (agosto 7, 2020): 21–35. Accedido noviembre 30, 2025. https://amazoniainvestiga.info/index.php/amazonia/article/view/1450.