Boangmanalu, Andi Ivand Markemo, and Puput Tri Komalasari. “PORTOFOLIO MARKOWITZ: UJI OPTIMAL HOLDING PERIOD DAN KINERJA PORTOFOLIO BERDASARKAN KRITERIA RISIKO DAN TARGET RETURN”. Jurnal Manajemen Indonesia 15, no. 2 (April 14, 2017): 115–126. Accessed April 3, 2025. https://journals.telkomuniversity.ac.id/ijm/article/view/710.