TY  - BOOK
AU  - Stallings, William
TI  - Business Data Communications 
SN  - 0029461723
U1  - 004.6 
PY  - 1990///
CY  - New York : 
PB  - Macmillan, 
KW  - Business Communication Systems Data Processing
KW  - Business Data Processing
KW  - Local Area Networks Computer Networks
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-02-946172-3.pdf
ER  -