Borres, T. H, Borres, T. H, et al. “Authority or Invisibility?: Indexing Authorial Identity Through Referential and Discourse Markers in the Abstracts of Central Mindanao University Journal of Science”. International Journal of English and Education, vol. 8, no. 1, Jan. 2019, pp. 380-91, https://ijee.org/ijee/article/view/466.