Synthesis of cellulose and nanocellulose from waste baby diapers using ultrasonication and hydrothermal heating methodsWara Dyah Pita Rengga, Kakalia Putri Auralita, Achmad Wikandaru, Tedhy Pikrihaikal, Xuanzie Alfareza and Tegar Oki PrasdikaE3S Web Conf., 664 (2025) 07004DOI: https://doi.org/10.1051/e3sconf/202566407004