Yuliani, R.; Sutisna, D.; Oktaviani, D.; Genia Fatihat, G.; Hasan Padmanegara, O. Formation of Optimum Portfolio Using Single Index Model (Case Study of Stock LQ 45 Period 2016 - 2019). Psychosocial rehabilitation 2020, 24 (2), 3049-3055. https://doi.org/10.61841/0mmk4h21.