ILO homeIndustries and sectorsHotels; catering; tourismResources on Hotels, catering, and tourism sector Resources on Hotels, catering, and tourism sector Measuring Employment in the Tourism Industries - Guide with Best Practices 03 December 2014 The Guide is one of the technical outputs produced under the joint ILO/UNWTO Agreement which completes a series of international references and methodological tools produced within the framework of the joint ILO/UNWTO Agreement.