Global tourism activity reached high levels before the outbreak of the pandemic, but it was also one of the most affected economic sectors in 2020 when there was a real collapse of tourism activity. Tourism is an activity with a high degree of pollution, with many studies highlighting the fact...

Originally developed to improve the quality and production efficiency, Lean Six Sigma is now widely adopted in other non-manufacturing sectors such as financial, trade, services, etc. The methodology known as Lean Six Sigma combines the Six Sigma techniques, - which allow companies to reduce...