Позднякова, Т.М. and Позднякова, А.М. 2019. The way to implement the system-activity approach in the study of the elective course «The territorial organization of productive forces as a factor in the development of the region». Proceedings of Voronezh State University. Series: Geography. Geoecology. 3 (Jul. 2019), 95-101. DOI:https://doi.org/10.17308/geo.2019.3/2333.