Whereas there are many academics and researches on the lack of language proficiency towards teaching the Deaf learners, I would like to know if there has been anything said about the good use command of sign language and its impact on Deaf learners' academic achievements.
Deaf bilingualism and its impact on the development of language and academic achievement of Deaf learners. These will help me to understand the correlation between lack of language proficiency and the adequate knowledge by the teachers of the Deaf and HH.