Lapinskienė, Giedrė, and Manuela Tvaronavičienė. “Sustainable Development across Central and Eastern Europe: Key Factors Driving the Economic Growth of the Countries”. Business: Theory and Practice 10, no. 3 (September 22, 2009): 204-213. Accessed October 19, 2019. https://journals.vgtu.lt/index.php/BTP/article/view/9002.