Gou, Xunjie, Xinru Xu, Zeshui Xu, and Marinko Skare. “Circular Economy and Fuzzy Set Theory: A Bibliometric and Systematic Review Based on Industry 4.0 Technologies Perspective”. Technological and Economic Development of Economy 30, no. 2 (May 9, 2024): 489–526. Accessed December 26, 2024. https://btp.vilniustech.lt/index.php/TEDE/article/view/20286.