Belas, Jaroslav, Beata Gavurova, Jan Kubalek, and Matus Kubak. “Discrepancies in Perception and Evaluation of Macroenvironment – Sectoral Analysis”. Journal of Business Economics and Management 21, no. 4 (June 8, 2020): 1072-1092. Accessed April 3, 2025. https://jest.vgtu.lt/index.php/JBEM/article/view/12274.