TY  - BOOK
AU  - Wiest, JD
AU  - Levy, FK
TI  - A Management Guide To PERT/CPM : With GERT/PDM/DCPM And Othe
U1  - 658.4032/WIE 
PY  - 1982///
CY  - 
PB  - Prentice Hall Of India Pvt. Ltd. New Delhi
ER  -