Darmitha, Surya, AND 		Purbawangsa, Ida Bagus.
" STUDY KOMPARATIF KINERJA PORTOFOLIO OPTIMAL SAHAM LQ-45 DAN 50 MOST ACTIVE STOCKS BY TRADING FREQUENCY" <em>E-Jurnal Manajemen</em> [Online], Volume 5 Number 11 (15 November 2016)