1. Malaysia Federation of The Deaf, Bahasa Isyarat Malaysia (BIM) (2021), https://www.mymfdeaf.org/bahasa-isyarat-malaysia-bim. Accessed 19 April 2021
2. S.M. Hasbun, The history of Malaysian sign language (2019), https://misslinguistic.com/the-history-of-malaysian-sign-language-and-yes-there-is-more-than-one-sign-language/. Accessed 20 April 2021
3. Social Welfare Society, Social welfare statistics report 2019 (2019), https://www.jkm.gov.my/jkm/index.php?r=portal%2Farticles&id=U0dpTUVpRXlyYUlFVFFLUmVnUVJUdz09. Accessed 20 April 2021
4. S.M. Pascua, P.L.C. Espina, R.P.E. Talag, L.N. Villegas, D.G.L. Aquino, Words in vision: a filipino sign language thesaurus management system using renpy. IFLA Library (2017), http://library.ifla.org/1732/. Accessed 19 April 2021
5. H.A.Q. Maarif, R. Akmeliawati, S. Bilal, Malaysian sign language database for research. ResearchGate (2012), https://www.researchgate.net/publication/261164857_Malaysian_Sign_Language_Database_For_Research. Accessed 17 April 2021