Also Known As: 
  
  
  
  
  
  
  
  ngôn ngữ ký hiệu Hà Nội, Ha Noi Sign Language, HNSL, NNKHHN, Vietnamese Sign Language, Northern Vietnamese Sign Language
Dialects & Varieties
  
  
  
  
  
  
      
  
  Recent Resources
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              Endangered
      
  
40 percent certain, based on the evidence available
39000
Native Speakers Worldwide
Domains of Use
  
      
  
                    
    
  
  
                    
            
  
                    
  
  
  
  
  
  
  
  
  
                    Domain Of Use 4
            
    
  
  
                    Used mainly only in the home and/or with family, and may not be the primary language even in these domains for many community members.
4
            
Bibliography
Bibliography of Vitality: 
   
    
              Woodward, James, Nguyen Thi Hoa, Nguyen Hoang Lam, Nguyen Tuan Linh, Nguyen Ming Nhut, and Nguyen Tran Thuy Tien. (2015). Ha Noi Sign Language. In Julie Bakken Jepsen, Goedele De Clerck, Sam Lutalo-Kiingi, and William B. McGregor (eds.), Sign Languages of the World, pp. 335–350. Berlin: De Gruyter Mouton. 
      
  
Bibliography of Locations: 
   
    
              Lewis, M. Paul (ed.). 2009. Ethnologue: Languages of the World, 16 edn. http://www.ethnologue.com/home.asp.  (15 February, 2011.)
      
  
Bibliography of Context: 
   
  
  
  
  
  
  
  
  
    
              Woodward, James, Nguyen Thi Hoa, Nguyen Hoang Lam, Nguyen Tuan Linh, Nguyen Ming Nhut, and Nguyen Tran Thuy Tien. (2015). Ha Noi Sign Language. In Julie Bakken Jepsen, Goedele De Clerck, Sam Lutalo-Kiingi, and William B. McGregor (eds.), Sign Languages of the World, pp. 335–350. Berlin: De Gruyter Mouton.