The Effectiveness of Using Clustering Technique To Improve Students’ Vocabulary Mastery: (The Quasi-Experimental Research Conducted in the Second Grade of Junior High School). ELang | An English Language Education Journal, [S. l.], v. 10, n. 1, p. 89–100, 2025. DOI: 10.55222/c0at8e53. Disponível em: https://ejournal.unibba.ac.id/index.php/elang/article/view/1772. Acesso em: 20 aug. 2026.