検索結果 11 - 16 結果 / 16 検索語 '', 処理時間: 0.02秒 結果の絞り込み
  1. 11
    著者: Barker, Randolph
    出版事項 1976
    Visual Material

    The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements [microform]
  2. 12
    著者: Barker, Randolph
    出版事項 1974
    図書

    Some economic issues to consider for would-be producers of rice under General Order 47
  3. 13
    著者: Barker, Randolph
    出版事項 1972
    Download the full-text here
    図書

    The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements
  4. 14
    図書

    The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements
  5. 15
    出版事項 1971
    図書

    Employment and technological change in Philippine agriculture
  6. 16
    著者: Barker, Randolph
    出版事項 1970
    図書

    Research relating to the economics of irrigation in rice production
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