1. Productivity and Quality — Measurement as a Basis for Improvement;Adam,1981
2. The measurement of outputs and capital inputs;Bernolak,1980
3. Productivity and effectiveness in service firms;Blois;Service Industries Journal,1984
4. Cost Control for the Hospitality Industry;Coltman,1980
5. The current state of hotel information systems;Geller;Cornell Hotel and Restaurant Administration Quarterly,1985