Kibler, Bruce, and Pawel Pasierbiak. “Erie, PA and Lublin, PL – Situational Economic Analysis of Sister Cities over the Last Twenty Years”. Journal of Applied Business and Economics 19, no. 10 (December 1, 2017). Accessed November 25, 2024. https://mail.articlegateway.com/index.php/JABE/article/view/766.