LIN, W.; WU, S. Predicting S&P 500 Index ETF (SPY) During COVID-19 via K-Nearest Neighbors (KNN) Algorithm. Journal of Accounting and Finance, [S. l.], v. 23, n. 2, 2023. DOI: 10.33423/jaf.v23i2.6149. Disponível em: https://articlegateway.com/index.php/JAF/article/view/6149. Acesso em: 22 jul. 2024.