Z. Ou, “Forecasting Market Timing Strategies for CSI 300 ETF Using Multiple Linear Regression and Economic Indicators”, Pinn. Acad. Press Proc. Ser., vol. 1, pp. 198–210, Apr. 2025, Accessed: Aug. 02, 2025. [Online]. Available: http://pinnaclepubs.com/index.php/PAPPS/article/view/59