“…The productive resources, goods and services, and forecast demand are managed in the supply chain context of the SME. This is similar to the sales and operations process, work-inprogress and databases which relate to their individual circumstances (Towers and Burnes, 2008). As the next sections will show, this approach requires manufacturers to adopt enterprise planning, which links all their internal systems, such as PPC and sales, with those of their customers and suppliers.…”