AL-HAMDOONI, E. K. F. The Relationship Between the Random Walk of the Returns of Financial Market Indices and Market Efficiency: an Analytical Study of the Indicators of a Sample of Arab Financial Markets. International Journal of Professional Business Review, São Paulo (SP), v. 8, n. 3, p. e0663, 2023. DOI: 10.26668/businessreview/2023.v8i3.663. Disponível em: https://openaccessojs.com/JBReview/article/view/663. Acesso em: 21 may. 2024.