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