Źróbek-Różańska, Alina, and Sabina Źróbek. 2010. “ON THE BACKGROUND OF SUPPLY-TRADING STRATEGY OF COMPANIES WITH THE SHARE OF FOREIGN CAPITAL (IN WARMIA AND MAZURY REGION)”. Acta Scientiarum Polonorum. Oeconomia 9 (1), 149-56. https://js.wne.sggw.pl/index.php/aspe/article/view/3879.