Domagalska-Grędys, Marta. 2002. “OPPORTUNITIES AND THREATS IN FRUIT PRODUCTION IN OPINION OF ORCHARDMEN OF SUBREGIONS: KRAKOWSKI, NOWOSĄDECKI, TARNOBRZESKI”. Acta Scientiarum Polonorum. Oeconomia 1 (1), 57-65. https://js.wne.sggw.pl/index.php/aspe/article/view/3585.