Zhu, Runxi. “Research on the Fluctuations of the RMB Exchange Rate Based on the Gravity Model and Its Adaptability to the Trade Structure of ‘Belt and Road’ Countries”. CPS Digital Library - Series of Conferences 1 (June 22, 2026): 150–154. Accessed July 17, 2026. https://seriesofconference.com/index.php/SCJ/article/view/211.