Boangmanalu, A.I.M. and Komalasari, P.T. 2017. PORTOFOLIO MARKOWITZ: UJI OPTIMAL HOLDING PERIOD DAN KINERJA PORTOFOLIO BERDASARKAN KRITERIA RISIKO DAN TARGET RETURN. Jurnal Manajemen Indonesia. 15, 2 (Apr. 2017), 115–126. DOI:https://doi.org/10.25124/jmi.v15i2.710.