Pavlyukevich, R., Gonina, N. and Sminova, E. 2022. A Comparative Analysis of the Socio-Demographic Development of the Cities in Siberia and Amazonia in the second half of the 20th century. Journal of Frontier Studies. 7, 4 (Dec. 2022), 59-75. DOI:https://doi.org/10.46539/jfs.v7i4.387.