TY  - BOOK
TI  - Introducing systems analysis and design [Vol 1-2]
SN  - 0850122066
U1  - 001.61 
PY  - 1978///
CY  - New Delhi
PB  - Galgotia Booksource
KW  - Computer programming
KW  - System analysis
KW  - System design
ER  -