Enhanced swelling hydrogel of cellulose by adding fly ash. BIS Energy and Engineering, [S. l.], v. 2, p. V225018, 2025. DOI: 10.31603/biseeng.202. Disponível em: https://unimma.press/conference/index.php/biseeng/article/view/202. Acesso em: 7 jun. 2025.