United States. Department of the Treasury. "READOUT: Secretary of the Treasury Janet L. Yellen’s Call with Deputy Prime Minister and Minister of Economy and Finance Choo Kyung-ho of the Republic of Korea,"
Press Releases of the United States Department of the Treasury
(December 20, 2023).
https://fraser.stlouisfed.org/title/6111/item/656583, accessed on July 3, 2025.