Astuti W, Bendiyasa IM, Wahyuni ET, Prasetya A. The Effect of Coal Fly Ash Crystallinity toward Methyl Violet Adsorption Capacity. [Internet]. 31 Desember 2010 [dikutip 8 Juni 2025];10(1):8-13. Tersedia pada: https://jurnal.ugm.ac.id/v3/AJChE/article/view/8061