Al Rafika, Fatema Alim; Saha, Sharthok; Hossain, Md. Amran
(Daffodil International University, 23-02-12)
Instead of spoken words, sign languages use the visual-manual modality to communicate
meaning. Manual articulation and non-manual markers are used to convey meaning in
sign languages. It is used by dumb or silent, blind ...