“CRITICAL EXAMINATION OF THE IEET MEASUREMENT INSTRUMENT FOR THE ASSESSMENT OF TEXTBOOK QUALITY”. Ekonomski vjesnik/Econviews - Review of Contemporary Business, Entrepreneurship and Economic Issues 31, no. 2 (December 31, 2018): 275–286. Accessed August 24, 2025. https://ojs.srce.hr/index.php/ekonomski-vjesnik/article/view/7430.