HERLINA, H. The Analysis of Grammatical Errors in Speaking Activities Produced by Students at English Class Vocational High School of Yadika Lubuklinggau. Channing: Journal of English Language Education and Literature, [S. l.], v. 2, n. 2, p. 65–68, 2017. DOI: 10.30599/channing.v2i2.266. Disponível em: https://journal.unuha.ac.id/index.php/Channing/article/view/266. Acesso em: 18 apr. 2024.