Lubis, Iman Lubis, Arif Surahman, and Nani Rusnaeni. 2023. “The Impact of the Russian-Ukrainian War on the Influence of World Oil and World Gold on the ASEAN-5 Indexes”. Indonesian Financial Review 3 (2):87-99. https://ypppal-amsi.or.id/penelitian/index.php/IFR/article/view/27.