Pinkovetskaia, I., Arbeláez-Campillo, D. F., Rojas-Bahamón, M. J., & Sverdlikova, E. (2021). Entrepreneurship for the elderly in Russia: situation and prospects. Amazonia Investiga, 10(39), 94-101. https://doi.org/10.34069/AI/2021.39.03.9