The EVM is found to be based on MBR. However, project
control based on MBR is argued to be inappropriate for managing
at the operational level where tasks are highly interdependent.
The LPS is found to be based on the MBM view.
The empirical evidence from case study suggested that the
MBM view is more appropriate to manage works when it is
applied to the operation level where each task is highly
interdependent.