Number of the records: 1  

Returns to farm-level soil conservation on tropical steep slopes

  1. ARAYA, Bereket - ASAFU-ADJAYE, John. Returns to farm-level soil conservation on tropical steep slopes : the case of the eritrean highlands. Brisbane : The University of Queensland, 1999. 24 s. Discussion paper, No. 253. ISSN 1033-4661.

Number of the records: 1  

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