Astuti, Widi, I Made Bendiyasa, Endang Tri Wahyuni, and Agus Prasetya. “The Effect of Coal Fly Ash Crystallinity Toward Methyl Violet Adsorption Capacity”. ASEAN Journal of Chemical Engineering 10, no. 1 (December 31, 2010): 8-13. Accessed November 23, 2024. https://jurnal.ugm.ac.id/v3/AJChE/article/view/8061.