Chikasha, J., and A.-M. Beukes. “Challenges Encountered in the Home-Neighbourhood-Community and School Domains: An Analysis of Tonga Revitalisation through Fishman’s (1991) Reversing Language Shift Framework”. Stellenbosch Papers in Linguistics Plus, Vol. 56, Dec. 2019, pp. 155-77, doi:10.5842/56-0-831.