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Rekolina Siahaan, Novita C. Hutabarat. The Comparison Between Parents’ Educational Background with Students’ Ability in Mastering English Vocabulary at SMP Negeri 2 Siborongborong. IJETS [Internet]. 2024 Mar. 30 [cited 2025 Jun. 15];1(1):12-21. Available from: https://international.aspirasi.or.id/index.php/IJETS/article/view/48