TY  - BOOK
AU  - ANDERSON, R G
AU  - 
TI  - Business systems
T2  - M and E handbook series
SN  - 712102817
U1  - 658.4032 
PY  - 1977///(1983)
CY  - LONDON
PB  - MACDONALD & EVANS
KW  - PERT, CPM
ER  -