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Publisher: John Wiley & Sons Inc
E-ISSN: 1574-0862|46|6|715-728
ISSN: 0169-5150
Source: AGRICULTURAL ECONOMICS, Vol.46, Iss.6, 2015-11, pp. : 715-728
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By Maboko Martin Makgose Bertling Isa Du Plooy Christian Phillipus
Acta Agriculturae Scandinavica, B, Vol. 63, Iss. 3, 2013-04 ,pp. :
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