Żbikowski, Jarosław, Dominik Dąbrowski, Marek Kuźmicki, and Andrzej Soroka. 2011. “VOCATIONAL ACTIVITY AS A DETERMINANT OF PARTICIPATION IN TOURISM OF DISABLED PEOPLE FROM THE AREA OF EASTERN POLAND”. Acta Scientiarum Polonorum. Oeconomia 10 (2), 121-29. https://js.wne.sggw.pl/index.php/aspe/article/view/4016.