1. A yardstick for measuring productivity;Stewart;Ind. Eng.,1978
2. A worker productivity model and its use at Lincoln Electric;Hershauer;Interfaces,1978
3. Productivity analysis: some new analytical and emperical perspectives;Gold;Bus. Econ.,1974
4. A study of productivity measures for improving benefit-cost ratio of operating organizations;Aggarwal,1979
5. On estimation of the CES production function;Kmenta;Int. Econ. Rev.,1967