TY  - BOOK
AU  - Wiest, Jerome D.
AU  - Levy, Ferdinand K.
TI  - A management guide to PERT/CPM: with ERT/PDM/DCPM and other networks
U1  - 658.403 2 
PY  - 1977///
CY  - New delhi
PB  - Prentice hall
ER  -