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)" <em>CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry)</em> [Online], Volume 12 Number 2 (4 February 2025)