Removal of Methylene Blue by Adsorption onto Activated Carbon From Coconut Shell (Cocous Nucifera L.). Indonesian Journal of Science and Technology, [S. l.], v. 4, n. 2, p. 229–240, 2024. Disponível em: https://ejournal.kjpupi.id/index.php/ijost/article/view/173.. Acesso em: 4 sep. 2025.