MUTMAINNA, A.; NURWAHIDAH, N.; ANUGRAWATI, S. D. Stock Portfolio Optimization Using Single Index Model (SIM) with Exponentially Weighted Moving Average (EWMA) Approach. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 7, n. 2, p. 130–138, 2024. DOI: 10.29303/emj.v7i2.247. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/247. Acesso em: 22 dec. 2024.