NYONGESA, Gregory. Relationship Between Proficiency in Kenyan Sign Language and Signed Exact English and Performance in English by Learners with Hearing Impairment. Humanities & Language: International Journal of Linguistics, Humanities, and Education, Binjai, Indonesia, v. 1, n. 2, p. 75–96, 2024. DOI: 10.32734/ev1pqa59. Disponível em: http://amedialiterasi.com/index.php/humaniola/article/view/7.. Acesso em: 24 jan. 2025.