ANALISIS PORTOFOLIO INVESTASI PADA SAHAM LQ45 DENGAN METODE MEAN VARIAN SATU KONSTRAIN. Jurnal Varian, [S. l.], v. 1, n. 2, p. 22–29, 2018. DOI: 10.30812/varian.v1i2.68. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/68. Acesso em: 20 aug. 2025.