Gostomski, Eugeniusz, and Tomasz Michałowski. “Trends in the Development of World Trade before and After the Global Financial and Economic Crisis”. Studia Oeconomica Posnaniensia 5, no. 8 (August 31, 2017): 86–99. Accessed September 3, 2026. https://journals.ue.poznan.pl/soep/article/view/3685.