Nurul Zufarhana Zulkurnai, et al. “Nickel Recovery from Treated Nickel Sludge by Cyclic Voltammetry under Varying Cathode Materials in an Electrowinning Bath”. International Journal of Nanoelectronics and Materials (IJNeaM) , vol. 19, no. 1, Jan. 2026, pp. 55-74, doi:10.58915/ijneam.v19i1.2897.