Prihastuti, Hesti, Nuryoto Nuryoto, Anton Irawan, and Teguh Kurniawan. 2021. “The Effect of Using Acid on Separation of Metals from Coal Fly Ash As Basis of Zeolite Synthesis”. Jurnal Kartika Kimia 4 (1), 13-20. https://doi.org/10.26874/jkk.v4i1.72.