1. The Minimum Wage in the Restaurant Industry;Alpert,1986
2. The Viable System Model. Integrations and Applications of Stafford Beer's VSM;Espejo,1989
3. Productivity and Training in the Hotel, Catering and Tourism Sector;International Labour Office,1989
4. The Management of Hotel Operations;Jones,1989
5. Marketing in Travel and Tourism;Middleton,1988