Spriegel, William R.
Elements of Supervision William R. Spriegel - 2nd - New York: John Wiley & Sons, 1957 - XII, 349P, 22CM.
--Industrial Efficiency
658 / SPE
Elements of Supervision William R. Spriegel - 2nd - New York: John Wiley & Sons, 1957 - XII, 349P, 22CM.
--Industrial Efficiency
658 / SPE