Trykolenko, Sofia T., and Ihor A. Yelisieiev. “Use of Raw Minerals in Beads - Current Trend of Decorative Art”. Theory and practice of design, no. 25 (June 28, 2022): 194–201. Accessed April 6, 2026. https://jrnl.kai.edu.ua/index.php/Design/article/view/16796.