Markić, B., S. Bijakšić, and A. Bevanda. “SENTIMENT ANALYSIS OF SOCIAL NETWORKS AS A CHALLENGE TO THE DIGITAL MARKETING”. Ekonomski vjesnik/Econviews - Review of Contemporary Business, Entrepreneurship and Economic Issues, vol. 29, no. 1, June 2016, pp. 95-107, https://hrcak.srce.hr/ojs/index.php/ekonomski-vjesnik/article/view/3743.