Sumi Lala, Alder Haymans Manurung, Wirawan Widjanarko, Muhammad Asif khan, AWN Fikri. Konstruksi Portofolio di Bursa Efek Indonesia ( BEI ) Dengan Metode Markowitz: Studi Empiris Kompas 100 Periode Desember 2014-September 2023. CEMERLANG [Internet]. 2024 Feb. 9 [cited 2024 May 21];4(2):123-37. Available from: https://prin.or.id/index.php/cemerlang/article/view/2640