Megasari, Azhary Tambusai, Ahmad Laut Hasibuan. The Correlation Between Students’ Ability in Grammar and Vocabulary With Students’ Writing Paragraph Achievements at the Eighth Grade MTs Negeri 4 Mandailing Natal. IJERE [Internet]. 2022 Jun. 30 [cited 2024 May 1];1(1):120-7. Available from: https://ejournal.ipinternasional.com/index.php/ijere/article/view/38