Ragainaga K, Kekenusa J, Mananohas M. Diversifikasi Portofolio Saham Model Mean Variance Markowitz Dengan Metode Lagrange. dCJMA [Internet]. 2025 Oct. 23 [cited 2026 Jan. 11];14(1):79-83. Available from: https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/61371