Al Mamun, M., Y. Abdul Wahab, M. A. M. Hossain, Abu Hashem, and M. R. Johan. “Scrap Gold Recovery: Recycling, Fabrication and Electrochemical Characterization of Low-Cost Gold Electrode”. Malaysian Catalysis-An International Journal, vol. 2, no. 1, Oct. 2022, pp. 1-20, https://sare.um.edu.my/index.php/MCIJ/article/view/36774.