Saputra , I. A. A. ., Sidiq, M. R. ., Guritno, S. S. ., & Cahyono, H. D. . (2024). STOCK PREDICTION PERFORMANCE OPTIMIZATION: ENHANCING COVARIANCE MATRIX WITH KNN. Jurnal Teknik Informatika (Jutif), 5(6), 1561–1567. https://doi.org/10.52436/1.jutif.2024.5.6.2399