Arslan, M. F., P. D. M. A. Mahmood, and A. Rasool. “A Corpus-Based Comparative Study of Derivational Morphemes Across ENL, ESL, EFL Learners Through ICNALE”. Linguistic Forum - A Journal of Linguistics, vol. 2, no. 4, Dec. 2020, pp. 1-13, http://linguisticforum.com/index.php/ling/article/view/56.