Dritsaki, Chaido, and Pavlos Stamatiou. “Investigating the Impact of Market Openness on Economic Growth for Poland: An Autoregressive Distributed Lag Bounds Testing Approach to Cointegration”. International Journal of Economics and Financial Issues, vol. 9, no. 6, Oct. 2019, pp. 123-31, https://econjournals.com/index.php/ijefi/article/view/8327.