Zawisza, S., and A. Jankowska-Dymet. “ORGANIZATION OF BOARDING FOR TOURISTS ON AGRITOURIST FARMS (ON THE EXAMPLE OF KUJAWSKO-POMORSKIE PROVINCE)”. Acta Scientiarum Polonorum. Oeconomia, Vol. 5, no. 1, June 2006, pp. 89-95, https://js.wne.sggw.pl/index.php/aspe/article/view/3701.