Bernat, Maria. “The Role of Foreign Capital Invested in the Form of Foreign Direct Investment in the Economy of the Opolskie Voivodship in the Years 1990–2015”. Regional Barometer. Analyses & Prognoses 14, no. 1 (April 22, 2016): 43–51. Accessed November 22, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/665.