Warning: file_put_contents(): Only 0 of 26 bytes written, possibly out of free disk space in /var/www/ojs.unud.ac.id_backup/lib/pkp/classes/cache/FileCache.inc.php on line 90 Ngapa, Yulius, & Jumilah Gago. " ADSORPSI ION Pb(II) OLEH ZEOLIT ALAM ENDE TERAKTIVASI ASAM: STUDI PENGEMBANGAN MINERAL ALTERNATIF PENJERAP LIMBAH LOGAM BERAT." CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) [Online], 7.2 (2019): 84-91. Web. 19 Jul. 2025