Customer perceived value (CPV) is critical for supply chain management, due to its link with
satisfaction and market share. In addition, value perception is a consequence of several …

To reduce medical waste, attention must be paid to the environmental friendliness of
products during procurement. Thus, environmental awareness among hospital procurement …

With the increase of needs for controlling the passengers that use different modes of
transport such as airports, ports, trains, or future ones as hyper loops, security facilities are a …

This paper treats an M/G/1 queue with retrial customers due to server vacation, which can be
used to model a hospital service system. When an arriving customer finds the server on …

In service industries personnel performance is key to achieve business excellence. Until
recently, forty to forty eight hours per week labor contracts with equal daily schedules (eight …

This paper shows a management model for a queuing system operating two shifts and
where client reneging is present. The model provides the optimal active server policy …