1.
図書 |
Food and Agriculture Organization of the United Nations
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2.
図書 |
2. Agricultural price statistics = Statistique de prix agricoles (1969-1975 ; 1970-1981 ; 1971-1982)
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3.
図書 |
por Günther Haensch, Gisela Haberkamp de Antón
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4.
図書 |
Food and Agriculture Organization of the United Nations
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