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S. Park, I. Kim, and W. Kim, “Investment Efficiency Between Listed And Unlisted Firms, And Big 4 Audit Firms’ Effect: Evidence From Korea”, JABR, vol. 33, no. 6, Nov. 2017, Accessed: Aug. 30, 2026. [Online]. Available: https://journals.klalliance.org/index.php/JABR/article/view/348

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