“…As procurement can be viewed as servicing internal customer, internal customers' views and indicators would potentially add value to the framework. (Beamon, 1999, Bigliardi and Bottani, 2010, Brandon-Jones, 2017, Cavinato, 1987, Chia et al, 2009, Cunha Callado and Jack, 2015, Gunasekaran et al, 2001, Gunasekaran and Kobu, 2007, Large and König, 2009, Pohl and Förstl, 2011…”