NGAPA, Yulius Dala; 						GAGO, Jumilah.
 ADSORPSI ION Pb(II) OLEH ZEOLIT ALAM ENDE  TERAKTIVASI ASAM: STUDI PENGEMBANGAN  MINERAL ALTERNATIF PENJERAP     LIMBAH LOGAM BERAT.
<strong>CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry)</strong>, [S.l.], v. 7, n. 2, p. 84-91, oct. 2019.
ISSN 2302-7274.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/cakra/article/view/56180" target="_new">https://ojs.unud.ac.id/index.php/cakra/article/view/56180</a>&gt;. Date accessed: 15 july 2025.