Anwar, N., and S. Jamshaid. “Lexical Bundles in Academic Discouse: A Comparative Study of Functional Use of Lexical Bundles in Native and Non-Native Learner Corpora”. Competitive Linguistic Research Journal, vol. 1, no. 1, June 2020, pp. 77-95, https://clrjournal.com/index.php/clrjournal/article/view/6.