Bruwer, B., Van Staden, A. & Du Plessis, T. 2024. A Bilingual-Bicultural literacy programme for deaf learners in Namibia. Perspectives in Education 42(2): 267-281. DOI: https://doi.org/10.38140/pie.v42i2.7779.
Du Plessis, T. 2023. Die opkoms van Suid-Afrikaanse Gebaretaal as Suid-Afrika se 12de amptelike taal. [The rise of South African Sign Language as official language of South Africa] Tydskrif vir Geesteswetenskappe, 63(3), 585-614. DOI: https://doi.org/10.17159/2224-7912/2023/v63n3a11.
Du Plessis, T. 2022. The Officialisation of South African Sign Language—What Is There to Gain? Language Matters. Studies in the Languages of Africa 53(3): 47-71. DOI: https://doi.org/10.1080/10228195.2022.2126582.
Du Plessis, T. 2020. The officialisation of South African Sign Language: implications for place-name planning. Language Matters. Studies in the Languages of Africa 51(3): 66-86. DOI: https://doi.org/10.1080/10228195.2020.1825515.