TJAHJAWATI, Sri Surjani; AMALIA, Sholihati. ANALISIS PENYUSUNAN PORTFOLIO OPTIMAL SAHAM LQ45 MENGGUNAKAN MODEL INDEKS TUNGGAL DAN MARKOWITZ. STATMAT : JURNAL STATISTIKA DAN MATEMATIKA, [S. l.], v. 3, n. 2, p. 121–129, 2021. DOI: 10.32493/sm.v3i2.11209. Disponível em: https://openjournal.unpam.ac.id/index.php/sm/article/view/11209. Acesso em: 23 dec. 2025.