Khabbazi-Oskouei, Leila. “Exploring the Role of Interactional Metadiscourse in the Attainment of Persuasion : A Contrastive Study of British and Iranian Editorials”. Journal of Applied Linguistics and Professional Practice, vol. 11, no. 1, Apr. 2018, pp. 50-71, https://doi.org/10.1558/japl.24052.