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		Supriyanthi, Ni Ketut, AND 		Rahyuda, Henny.
" PEMBENTUKAN PORTOFOLIO OPTIMAL PADA SAHAM-SAHAM INDEKS BISNIS 27 DENGAN MENGGUNAKAN MODEL INDEKS TUNGGAL" <em>E-Jurnal Manajemen</em> [Online], Volume 6 Number 11 (30 October 2017)