Rahmaidani Siregar, Sutikno, and 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”. International Journal of Educational Research Excellence (IJERE) 5, no. 1 (January 12, 2026): 253–260. Accessed January 20, 2026. https://ejournal.ipinternasional.com/index.php/ijere/article/view/1699.