MORENTERA, Brilian Gema; WAHYUNINGSIH, Sri; SUDARNI, Dyan Hatining Ayu. The Effect of Contact Time Variation and Dosage of NaOH-Activated Fly ash on Adsorption of Methylene Blue. Eksergi, [S. l.], v. 19, n. 3, p. 104–109, 2022. DOI: 10.31315/e.v19i3.7207. Disponível em: https://jurnal.upnyk.ac.id/index.php/eksergi/article/view/7207. Acesso em: 19 jul. 2025.