Enhanced Removal of Cobalt(II) Ions from Aqueous Solution Using Thiourea-Impregnated Gigantochloa albociliata Charcoal Powder. Malaysian J. Sci. Adv. Tech. [Internet]. 2026 Nov. 2 [cited 2026 Nov. 2];6(4):446-53. Available from: https://mjsat.com.my/index.php/mjsat/article/view/747