Sorokin, G. G. (2021) “Prerequisites for national government control over the country’s elderly education network: the case of Russia”, Revista Conrado, 17(80), صص 48-54. قابل دسترس در: https://conrado.ucf.edu.cu/index.php/conrado/article/view/1809 (دسترسی: 18آگوست2021).