Dangos 1 - 6 canlyniadau o 6 ar gyfer chwilio '"Reports."', amser ymholiad: 0.03e Mireinio'r Canlyniadau
  1. 1
    Cyhoeddwyd 1976
    Llyfr

    Programme for the 1980 world census of agriculture.
  2. 2
    Cyhoeddwyd 1974
    Llyfr

    National methods of collecting agricultural statistics.
  3. 3
    gan Sanderson, Fred Hugon 1914
    Cyhoeddwyd 1954
    Llyfr

    Methods of crop forecasting.
  4. 4
    gan Panse, Vinayak Govind
    Cyhoeddwyd 1954
    Llyfr

    Estimation of ctrop yields.
  5. 5
    Cyhoeddwyd 1949
    Llyfr

    The agricultural estimating and reporting services of the United States Department of Agriculture, prepared by Bureau of Agricultural Economics and Production and Marketing Administration.
  6. 6
    Traethawd Ymchwil

    Measuring errors in rice surveys.
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