ŻBIKOWSKI, J.; DĄBROWSKI, D.; KUŹMICKI, M.; SOROKA, A. VOCATIONAL ACTIVITY AS A DETERMINANT OF PARTICIPATION IN TOURISM OF DISABLED PEOPLE FROM THE AREA OF EASTERN POLAND. Acta Scientiarum Polonorum. Oeconomia, v. 10, n. 2, p. 121-129, 30 Jun. 2011.