TY  - BOOK
AU  - Levin,Richard I and Kirkpatrick,Charles A.
TI  - Planning and Control eith PERT/CPM
U1  - A4 L 
PY  - 1981///
CY  - India
PB  - Tat McGraw-Hill Publishing Company Ltd
KW  - Statistics,Work Breakdown Schedule,Network Replanning and Adjustment
ER  -