TY  - BOOK
AU  - Bonvillian,John D.
AU  - Nelson-Metlay,Val
TI  - Simplified signs: a manual sign-communication system for special populations 
SN  - 9781783749256
AV  - HV2474 .B668 2020
U1  - 419 23
PY  - 2020///]
CY  - Cambridge, England
PB  - Open Book Publishers
KW  - Sign language
KW  - Electronic books
UR  - http://ebookcentral.proquest.com/lib/daystar-ebooks/detail.action?docID=6288249
ER  -