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Julio Alfi Kartika Putra JAKP. The Effect of Intellectual Capital, Behavior Direction, Effort Level, and Persistence Level on Employee Performance as an Effort to Improve Productivity at PT. Global Offset Sejahtera. IJER [Internet]. 2025 Oct. 10 [cited 2025 Oct. 13];5(2):317-26. Available from: https://journal.msti-indonesia.com/index.php/ijer/article/view/630