Sherly Susanto. “Optimalisasi Portofolio Menggunakan Capital Asset Pricing Model (CAPM) Pada Perusahaan Indeks Idx-30 Di Bursa Efek Indonesia (BEI)”. Management and Accounting Reseach, vol. 1, no. 1, Apr. 2021, p. 4, http://ejournal.stiebenzar.ac.id/index.php/manacse/article/view/9.