A Analisis Portofolio Investasi dengan Metode Mean Varian Dua Konstrain. Jurnal Varian, [S. l.], v. 2, n. 1, p. 24–30, 2018. DOI: 10.30812/varian.v2i1.319. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/319. Acesso em: 20 aug. 2025.