Filrissa, S.G., Manurung, T. and Titaley, J. 2019. Analisis Portofolio Saham Model Markowitz Dengan Menggunakan Quadratic Programming. d’Cartesian. 8, 2 (Jul. 2019), 121–126. DOI:https://doi.org/10.35799/dc.8.2.2019.24376.