AYU DEVI, KADEK, 		DHARMAWAN, KOMANG, AND 		ASIH, NI MADE.
" ANALISIS PORTOFOLIO SAHAM LQ45  MENGGUNAKAN FUNGSI UTILITAS KUADRATIK" <em>E-Jurnal Matematika</em> [Online], Volume 2 Number 1 (30 January 2013)