TY  - BOOK
AU  - Heerkens, Gary R
AU  - Heerkens, Gary R
TI  - Project Management
U1  - 658.404 HEE-P 
PY  - 2003///
CY  - New Delhi
PB  - TMH
UR  - https://books.google.co.in/books?id=Olxo5ayuEM0C&printsec=frontcover&dq=project+management+by++Heerkens,+Gary+R&hl=en&sa=X&ved=0ahUKEwiszrvs99TkAhUcknAKHetSCLwQ6AEIKDAA#v=onepage&q=project%20management%20by%20%20Heerkens%2C%20Gary%20R&f=false
ER  -