Willmar, Ridho Pascal, et al. “Analisis Fama-French Three Factor Model Terhadap Return Portofolio Saham Optimal Terindeks PEFINDO25”. Jurnal Matematika UNAND, vol. 13, no. 1, Jan. 2024, pp. 41-55, doi:10.25077/jmua.13.1.41-55.2024.