Farming system research
Simmonds, Norman W.
Farming system research a review [Text] Simmonds, Norman W. - Washington World Bank 1985 - xii,97 p. ill. 27 cm. - World Bank Technical Paper : No. 43 .
9780821305669
Agriculture
630.72 / SIM
Farming system research a review [Text] Simmonds, Norman W. - Washington World Bank 1985 - xii,97 p. ill. 27 cm. - World Bank Technical Paper : No. 43 .
9780821305669
Agriculture
630.72 / SIM