SIMORANGKIR, Laurimba. ANALISIS PERBANDINGAN KINERJA ANTARA PORTOFOLIO OPTIMAL MODEL MARKOWITZ DAN MODEL INDEKS TUNGGAL (COMPARATIVE ANALYSIS OF PERFORMANCE BETWEEN OPTIMAL PORTOFOLIO MARKOWTIZ MODEL AND SINGLE INDEX MODEL) . Jurnal Akuntansi dan Bisnis Krisnadwipayana, [S. l.], v. 8, n. 3, p. 384–401, 2021. DOI: 10.35137/jabk.v8i3.380. Disponível em: https://jurnal.unkris.ac.id/index.php/jabk/article/view/380. Acesso em: 4 jul. 2026.