If you areĀ involved in events and festivals, there is an enormous amount of information on this site. It represents 40 years of active work in the sector developing it around the world. 50 countries, endless actual events: creating, managing , working in operations and finally strategy. It includes consulting to the United Nations, European Commission, and governments from Middle East to Africa to USA and Australia.
As well as searching this site you might like to look at these international textbooks such as: This one released in 2022
A slide show of recent textbooks and manuals by William O’Toole