FajriM. S. A., KiranaA. W., and PutriC. I. K. “Lexical Bundles of L1 and L2 English Professional Scholars: A Contrastive Corpus-Driven Study on Applied Linguistics Research Articles”. Journal of Language and Education, Vol. 6, no. 4, Dec. 2020, pp. 76-89, doi:10.17323/jle.2020.10719.