IKHSAN, I. An Analysis of ESL Negation by Indonesian Learners of English. International Journal in Applied Linguistics of Parahikma, [S. l.], v. 3, n. 1, p. 16-33, 2021. Disponível em: http://journal.parahikma.ac.id/ijalparahikma/article/view/135. Acesso em: 28 nov. 2021.