Penyusunan Portofolio Saham Lindung Nilai Berdasarkan Principal Component Analysis Pada Indeks LQ45 Indonesi. SNISTEK [Internet]. 2023 Sep. 28 [cited 2026 Oct. 6];5:479-85. Available from: https://ejournal.upbatam.ac.id/index.php/prosiding/article/view/8122