World agriculture : the last quater century
Food & Agriculture Organization of the United Nations
World agriculture : the last quater century Food and Agriculture Organization of the United Nations - Rome Food & Agriculture Organization 1970 - v, 42 p.; 19cm. - (World food problems; no. 13) .
630 UN3W
World agriculture : the last quater century Food and Agriculture Organization of the United Nations - Rome Food & Agriculture Organization 1970 - v, 42 p.; 19cm. - (World food problems; no. 13) .
630 UN3W