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Park, Sambock, Imhyeon Kim, and Wooyoung Kim. “Investment Efficiency Between Listed And Unlisted Firms, And Big 4 Audit Firms’ Effect: Evidence From Korea”. Journal of Applied Business Research 33, no. 6 (November 1, 2017). Accessed August 30, 2026. https://journals.klalliance.org/index.php/JABR/article/view/348.

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