1. AmukugoE. M. (1993). Education and politics in Namibia: Past trends and future prospects. Capital Press.
2. AualaR. (1989). Supervision for educational excellence. ELOC Printing Press.
3. Reexamining English Only in the ESL Classroom
4. BabbieE.MoutonJ. (2001). The Practice of Social Research. Oxford University Press.
5. BakerC. (2011). Foundations of Bilingual education and bilingualism (5th ed.). MultilingualMatters.