TY  - BOOK
AU  - Punmia, B. C
AU  - Khandelwal, K.K
TI  -  Project planning and control wit PERT and CPM
SN  - 8170080584
AV  - HD 69 .P86 987 
PY  - 1987///
CY  - New Delhi
PB  - Laxmi Publications.
ER  -