Yamashkin, A.A., Yamashkin, S.A. and Shabaykina, V.A. 2024. Design and Development of the Geoportal Systems to Support Management Decision-Making Processes for Sustainable Regional Development. Proceedings of Voronezh State University. Series: Geography. Geoecology. 4 (Dec. 2024), 38-44. DOI:https://doi.org/10.17308/geo/1609-0683/2024/4/38-44.