One of the most important problems in the petroleum industry is the well-known petrol station replenishment problem with time windows, which calls for the determination of optimal routes by using a fleet of tank trucks to serve a set of petrol stations over a given planning horizon. In this...

Research Questions: Are the effects of productive leadership on individual working performance higher than the effects of pay-for-performance programs? Methods: Empirical study using survey to evaluate the correlation between individual working perfor-mance of employees, pay-for- performance...

Background: Centuries after its introduction in Africa, the western-style logistics system has not replicated the same results as it has in other parts of the world. The continent continues to grapple with poor logistics infrastructure and low intra-Africa trade at a time when governments in...