Sudibyo S, Hermida L, Reswari PA. Optimization of Electrometal - Electrowinning Cobalt Process from the Slag of Nickel Pig Iron (NPI). Indochin. Appl. Sci. [internet]. 2021 Apr. 30 [cited 2026 Oct. 14];10(2):49-57. available from: https://ph01.tci-thaijo.org/index.php/jmsae_ceae/article/view/242741