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Rahmaidani Siregar, Sutikno, Rahmat Kartolo. Correlation of Levels Indonesian Language Skill In Using Indonesian Sentence Structure With Achievement Motivation On Student Learning Outcomes SMP 2 Satap Pangkatan Labuhan Batu. IJERE [Internet]. 2026 Jan. 12 [cited 2026 Jan. 20];5(1):253-60. Available from: https://ejournal.ipinternasional.com/index.php/ijere/article/view/1699