Ni, Menglin, and Xiaoying Wang. “Detecting Bubbles in World Aluminum Prices: Evidence from GSADF Test”. Journal of Business Economics and Management 25, no. 6 (December 4, 2024): 1120–1139. Accessed December 21, 2024. https://mla.vgtu.lt/index.php/JBEM/article/view/22262.