FAO. (1991). FAO statistical development series N.2e: Supplement for Africa programme for the 1990 world census of agriculture. Rome: FAO.
Παραπομπή Chicago StyleFAO. FAO Statistical Development Series N.2e: Supplement for Africa Programme for the 1990 World Census of Agriculture. Rome: FAO, 1991.
Παραπομπή MLAFAO. FAO Statistical Development Series N.2e: Supplement for Africa Programme for the 1990 World Census of Agriculture. Rome: FAO, 1991.
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