TY  - BOOK
AU  - DAVIDSON,Catherine
TI  - The Directory of Signs & Signals 
SN  - 1-840137-14-2
U1  - 302.23 
PY  - 2004///
CY  - United Kingdom
PB  - Grange Books
KW  - 0
KW  - Grade 10-12
N2  - Berisi tentang Symbol dan Signals untuk komunikasi. Seperti, Distance Comminication :Morse Code dan Maritime signal Flags, Personal Communication : Braille, American Sign Language, British Sign Language, Survival : Ground to Air Signals, Body Signals and Trail Signs. Sport dan Miscellaneous: Trading signals and Weather Symbols
ER  -