Khansir, A. A. ., and A. . Mosaddegh. “The Impact of Translation and Pictorial Methods on Iranian EFL Learners Vocabulary Learning And Retention”. International Journal of English Language and Literature Studies, vol. 3, no. 3, Oct. 2014, pp. 250-65, https://archive.aessweb.com/index.php/5019/article/view/673.