Stander, L., B. Du Plooy, and E. Scheckle. “‘Some of Them Are Afraid of the language’: Perceptions of TVET College Staff about the Relationship Between English Language Proficiency and Academic Performance Among Engineering Students”. South African Journal of Higher Education, Vol. 36, no. 1, Mar. 2021, pp. 296-11, doi:10.20853/36-1-4541.