Silwan Nour Mohammed Ahmad Qurban, et al. “THE EFFECT OF LIQUIDITY AND RATE OF RETURN RISKS ON THE PROFITABILITY OF ISLAMIC AND CONVENTIONAL BANKS IN GCC COUNTRIES”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 18, no. 13, May 2021, pp. 569-7, https://archives.palarch.nl/index.php/jae/article/view/8142.