Composite papers based on natural polymers Elmurod Egamberdiev, Khurshid Khaydullaev, Sevinch Abdurazakova, Qodirjon Khoshimov, Olimjon Muratkulov, Khusan Tilovov, Bekmurod Rakhimjonov and Muqaddas Alieva E3S Web Conf., 497 (2024) 03031 Published online: 07 March 2024 DOI: 10.1051/e3sconf/202449703031