Application of waste paper in composite materials based on mineral fibers Elmurod Egamberdiev, Khurshid Khaydullaev, Doston Shomurodov, Abdubosit Atakhodjaev, Sherzod Mengliev, Nargisa Igamkulova, Marat Mukhamedjanov and Sadritdin Turabdjanov E3S Web Conf., 497 (2024) 02026 Published online: 07 March 2024 DOI: 10.1051/e3sconf/202449702026