SYAHYONO, S. . Effect Of Portfolio Investment Optimization Risk-Based And Efficiency Investment On Investment Decision. Fair Value: Jurnal Ilmiah Akuntansi dan Keuangan, [S. l.], v. 1, n. 1, p. 124–131, 2018. DOI: 10.32670/fairvalue.v1i1.1193. Disponível em: https://www.journal.ikopin.ac.id/index.php/fairvalue/article/view/1193. Acesso em: 19 may. 2024.