Lubis, I. L., A. Surahman, and N. Rusnaeni. “The Impact of the Russian-Ukrainian War on the Influence of World Oil and World Gold on the ASEAN-5 Indexes”. Indonesian Financial Review, vol. 3, no. 2, Dec. 2023, pp. 87-99, https://ypppal-amsi.or.id/penelitian/index.php/IFR/article/view/27.