Indrayanti, N., & 		Darmayanti, N.
(2013).
 Penentuan Portofolio Optimal Dengan Model Markowitz Pada Saham Perbankan di Bursa Efek Indonesia.
<em>E-Jurnal Manajemen, 2</em>(8).
Retrieved from <a href="http://103.29.196.112/index.php/manajemen/article/view/5458" target="_new">http://103.29.196.112/index.php/manajemen/article/view/5458</a>