Mala, C. M. F., M. N. Hosen, and M. N. R. Al Arif. “An Analysis of Market Power and Efficiency of Islamic Banking in Indonesia and Malaysia”. Jurnal Ekonomi & Keuangan Islam, vol. 9, no. 1, Jan. 2023, pp. 1-16, doi:10.20885/JEKI.vol9.iss1.art1.