TY  - BOOK
AU  - LEE
TI  - Introductory Systems Analysis and Design: Introductory Systems Analysis and Design, II, New Delhi : G.B.Galgotia Books Source, 1982
U1  - 001.61 
PY  - 1982///
CY  - New Delhi
PB  - G.B.Galgotia Books Source
ER  -