RETRACTED: Obtaining chromogenic structured yarns from a mixture of carbon and polyester fibersKhabibulla Parpiyev, Juramirza Kayumov, Guocheng Zhu, Adkhamjon Gafurov and Muzaffarkhon IzatillaevE3S Web Conf., 538 (2024) 04008DOI: https://doi.org/10.1051/e3sconf/202453804008