[1]
Wahyuningsih, V.I., Montolalu, C.E. and Manurung, T. 2021. Single Index Model in Forming the Optimal Portfolio Before and During the Covid-19 Pandemic on LQ-45 Shares. d’Cartesian. 10, 1 (Jul. 2021), 24–30. DOI:https://doi.org/10.35799/dc.10.1.2021.32979.