The Vehicle Routing Problem with Time Windows and Multiple Deliverymen (VRPTWMD) is a real-life goods distribution problem that arises in regions with high customer density and where the delivery vehicles face trafic and ...

Actions against climate change were announced in the most diverse sectors, including the iron and steel industry, which currently accounts for about 9% of global anthropogenic carbon dioxide (CO2) emission. Alternatives ...

The use of nanosized particles has emerged to facilitate selective applications in medicine. Drug-delivery systems represent novel opportunities to provide stricter, focused, and fine-tuned therapy, enhancing the therapeutic ...

Organization and planning of reverse logistics networks make sustainable processes more efficient. Thus, an important sector for connecting the collection and waste paper recycling echelons is the intermediate center. In ...

Drawing on a multilevel study of commissioning, employers, and care staff, this article explores the role of time in the management of domiciliary care work for older adults in England and the consequences for the employment ...

There is substantial evidence that the environment has an important impact on the use of bicycles. Changes in the built environment, such as cycling infrastructure provision, usually aim at improving the efficiency, ...