TY  - BOOK
AU  - Kassler,R.
AU  - International Labour Office
TI  - The Theory of communication : an instructional aid for workers' educators and trade unionists
SN  - 9221009017
U1  - P/90 
PY  - 1983///
CY  - Geneva
PB  - International Labour Organisation.
KW  - Communication.
ER  -