Momani, Mohammad Q. M., and Mohammad A. Khataybeh. “Testing Alternative Versions of the Fama-French Three-Factor Model in Frontier Markets: The Case of Jordan”. International journal of economic perspectives 12, no. 2 (December 31, 2018): 61–69. Accessed May 9, 2026. https://ijeponline.org/index.php/journal/article/view/1180.