Dr. Awadalla Gafer Elhussin Abobaker. "The Impact of Applying New Settlement System (T + 2) in the Saudi Stock Market and the Possibility of Applying Financial Derivative Tools". International Journal on Humanities and Social Sciences, عدد 44, أبريل، 2023, ص 140-59, doi:10.33193/IJoHSS.44.2023.557.