M., Wasilewicz-Pszczolkowska, A., . Senetra, A., . Szczepanska. "SPATIAL URBANIZATION OF RURAL AREAS IN NORTH-EASTERN POLAND IN THE CONTEXT OF ECOLOGICAL FACTORS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION, 2015, pp. 463-470. https://doi.org/10.5593/sgem2015/b52/s20.061