Labor productivity in apple picking
Miller, M.F., Butcher, W.R.
Labor productivity in apple picking - Washington 1972 - 1-13 p. - Apple Washington Agricultural Experiment Station. Bulletin No. 752 .
634.11-1.56:331.01
Labor productivity in apple picking - Washington 1972 - 1-13 p. - Apple Washington Agricultural Experiment Station. Bulletin No. 752 .
634.11-1.56:331.01