Purpose – Competition in dynamic markets requires operational excellence and effective operations strategy. Hence, organizations have to evaluate their operational performance in comparison to their rivals. The purpose of this paper is to present an operational performance evaluation framework...

Purpose: The purpose of this paper is to solve large-scale many-to-many hub location-routing problem (MMHLRP) using variable neighborhood search (VNS). The MMHLRP is a combination of a single allocation hub location and traveling salesman problems that are known as one of the new fields in...

Continuous improvement is used to enhance productivity and customer value. However, throughout the years, its efficacy dwindled. Thus, a hybrid methodology known as Lean Six Sigma was developed. It combines Lean and Six Sigma in a continuous improvement effort to address most challenges...