Economics of cropping alternatives and resource use in pruvian traditional agric
Garrido-Leeca, G., Barker, R.
Economics of cropping alternatives and resource use in pruvian traditional agric - Ithaca - 84 p. - No. 31; Cornell International .
Economics of cropping alternatives and resource use in pruvian traditional agric - Ithaca - 84 p. - No. 31; Cornell International .