Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Mitan, Nona Merry, Zaldinur, Sava, Ngapa, Yulius, Aulia, Nurul, Jaya, Arie, AND Buys, Yose. " PERFORMANCE OF ACID-TREATED ENDE NATURAL ZEOLITE IN ADSORPTION OF Ni(II) AND Co(II)" CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) [Online], Volume 12 Number 2 (4 February 2025)