Ham, M., D. Mrčela, and M. Horvat. “INSIGHTS FOR MEASURING ENVIRONMENTAL AWARENESS”. Ekonomski vjesnik/Econviews - Review of Contemporary Business, Entrepreneurship and Economic Issues, vol. 29, no. 1, June 2016, pp. 159-76, https://hrcak.srce.hr/ojs/index.php/ekonomski-vjesnik/article/view/3661.