Nanakali, S. O. O. ., D. A. . Agha, and M. F. . Othman. “The Impact of Social Knowledge on the Efficiency of the Financial Markets: A Case Study on the Erbil Stock Exchange”. Humanities and Social Sciences Letters, vol. 9, no. 4, Dec. 2021, pp. 362-77, doi:10.18488/journal.73.2021.94.362.377.