REFAT, N. Derivation: An Efficient Way of Enhancing English Vocabulary. International Journal of Language Education and Applied Linguistics, [S. l.], v. 2, 2015. DOI: 10.15282/ijleal.v2.460. Disponível em: https://journal.ump.edu.my/ijleal/article/view/460. Acesso em: 11 may. 2024.