By Thornton P.K.   Stroud A.   Hatibu N.   Legg C.   Ly S.   Twomlow S.   Molapong K.   Notenbaert A.   Kruska R.   von Kaufmann R.   in International Journal of Agricultural Sustainability

ISSN:1747-762X|4|1|39-60

Taylor & Francis Ltd‎(2007)‎

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