Derlukiewicz, Niki, and Anna Mempel-Śnieżyk. “The Importance of Cooperation for Innovation in the Region”. Regional Barometer. Analyses & Prognoses 15, no. 3 (January 12, 2018): 51–58. Accessed July 15, 2025. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/424.