WIATRAK, A. TRENDS AND DETERMINANTS OF POLISH SUPPORT TERRITORIAL COOPERATION IN TOURISM. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 9, n. 4, p. 585–595, 2010. Disponível em: https://aspe.sggw.edu.pl/article/view/648. Acesso em: 22 nov. 2024.