Irshad, S., S. Arshad, and K. Saba. “Lexicogrammatical Features of Covid-19: A Syntagmatic and Paradigmatic Corpus Based Analysis”. CORPORUM: Journal of Corpus Linguistics, vol. 4, no. 2, Dec. 2021, pp. 76-94, https://journals.au.edu.pk/ojscrc/index.php/crc/article/view/167.