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 May 2, 2024. https://js.wne.sggw.pl/index.php/aspe/article/view/4245.