TY  - BOOK
AU  - Payne, Belinda P.
TI  - Management systems and computers 
U1  - 658 
PY  - 1971///
CY  - New York
PB  - Alexander Hamilton Institute
KW  - Management systems
N1  - Price USD 6.85  (1 USD = LKR 183.55 as at 22.01.2019)
ER  -