Udin et al. (2006) discussed that the effectiveness of and
support from internal supply chain functions is the key factor
in making organisations work smoothly and successfully when
managing their supply chain. Internal supply chain function
facilitates employees to work closely with each other. This can
provide positive impact on organisations in developing better
relationships with both suppliers and customers.
Consequently, internal supply chain performance does have
a direct impact on the performance of the entire supply chain.
Therefore, it is important to be able to measure internal
supply chain performance even before trying to assess total
supply chain performance (Stevens, 1989).