Wojciechowska-Solis, J., and A. Soroka. “PROMOTION OF REGIONAL FOOD PRODUCTS IN EASTERN POLAND AND WESTERN UKRAINE”. Acta Scientiarum Polonorum. Oeconomia, Vol. 17, no. 4, Dec. 2018, pp. 189-98, doi:10.22630/ASPE.2018.17.4.66.