Beer, J. (1979). The investigation of agro-forestry systems: Methodology utilized by CATIE.
Παραπομπή Chicago StyleBeer, J. The Investigation of Agro-forestry Systems: Methodology Utilized By CATIE. 1979.
Παραπομπή MLABeer, J. The Investigation of Agro-forestry Systems: Methodology Utilized By CATIE. 1979.
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