Julius, L. H., and A. M. Hautemo. “The Gap Between Grade 5 Learners and Their English Second Language Competency: Should We Be Worried?”. JULACE: Journal of the University of Namibia Language Centre, vol. 2, no. 1, Nov. 2018, pp. 93-106, https://journals.unam.edu.na/index.php/JULACE/article/view/1309.