DAMANIK, I. J.; PURBA, R.; AYUNING TIYAS. An Analysys Of Vocabulary Mastery Efects On Students’ Speaking Ability In SMA YPK Pematangsiantar. Bilingual : Jurnal Pendidikan Bahasa Inggris, [S. l.], v. 5, n. 2, p. 180 –, 2023. DOI: 10.36985/jbl.v5i2.1019. Disponível em: https://jurnal.usi.ac.id/index.php/bilingual/article/view/1019. Acesso em: 14 may. 2024.