Auruma S, Tyas, and I Made Sudana. “Diversifikasi Investasi Saham: Perbandingan Risiko Total Portofolio Melalui Diversifikasi Domestik Dan Internasional”. Journal of Theoretical and Applied Management (Jurnal Manajemen Teori dan Terapan) 6, no. 1 (September 28, 2016). Accessed August 4, 2024. https://e-journal.unair.ac.id/JMTT/article/view/2657.