Sakalova, Halyna, and Olena Khodanitska. “Usage of Spent Clay Sorption Materials in Leather and Fur Production Technologies”. Personality and environmental issues, no. 1 (3) (March 29, 2023): 33–38. Accessed July 27, 2026. https://vspu.net/pei/index.php/journal/article/view/21.