Siudek, Tomasz, Edward Czarnecki, and Mariana Vashchyk. “ASSESSMENT OF THE SUSTAINABILITY OF RURAL DEVELOPMENT IN THE EUROPEAN UNION MEMBER STATES”. Acta Scientiarum Polonorum. Oeconomia 15, no. 3 (September 30, 2016): 101–113. Accessed July 3, 2024. https://aspe.sggw.edu.pl/article/view/377.