Abu Bakar, Mohd Subri, et al. “Characteristics of Ag Element on LSCF-SDCC-Ag Composite Cathode for LTSOFC Potential Applications”. Journal of Advanced Mechanical Engineering Applications, vol. 1, no. 1, Oct. 2019, pp. 20-26, https://penerbit.uthm.edu.my/ojs/index.php/jamea/article/view/5859.