References
- Conway , Richard W. , “ Some Statistical Considerations in work Sampling ,” The Journal of Industrial Engineering , March-April 1957 .
- Davidson , H. O. , Hines , W. W. , and Newberry , T. L. , “ The Error of Estimate in Systematic Activity Sampling ,” The Journal of Industrial Engineering , July-August 1960 .
- Davis , Harold , “ Mathematical Evaluation of a Work Sampling Technique ,” Naval Research Logistics Quarterly , Volume 5 , Nos. 1 and 2 , March-June 1955 , pages 111 – 117 .
- Haines , Landis I. , “ Work Sampling by Fixed Interval Study ,” The Journal of Industrial Engineering , July-August 1958 .
- Mood , A. M. and Graybill , F. A. , Introduction to the Theory of Statistics, , 2d edition , McGraw-Hill Book Company , New York , New York , 1963 .
- Schmid , Merle D. , “ Methods for Estimating Interval Lengths, Including Use of Random Sampling ,” unpublished PhD thesis, Illinois Institute of Technology , June 1959 .
- Schmid , Merle D. , “ Simplified Standards for the Smaller Plant-Work Measurement Sampling ,” Fourteenth Annual Conference and Convention Proceedings, American Institute of Industrial Engineers , May 1963 , pages 243 – 262 .