TY  - BOOK
AU  - Levin, Richard I.
AU  - Kirkpatrick, Charles A.
TI  - PLANNING AND CONTROL WITH PERT/CPM
U1  - 658.0018 
PY  - 1966///
CY  - New York
PB  - Mcgraw-Hill
KW  - Critical Part Analysis
N1  - Bibliography : P. 158-166
ER  -