Indi, R., D. Q. Octavio, and A. Widyakto. “Evolving Weak Form Market Efficiency in BRICS+ Markets”. JOURNAL OF MANAGEMENT, ACCOUNTING, GENERAL FINANCE AND INTERNATIONAL ECONOMIC ISSUES, vol. 5, no. 3, June 2026, pp. 822-39, doi:10.55047/marginal.v5i3.2286.