By van Paassen Annemarie   de Ridder Nico   Stroosnijder Leo   in International Journal of Agricultural Sustainability

ISSN:1747-762X|9|2|310-321

Taylor & Francis Ltd‎(2011)‎

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By Ebanyat Peter   Ridder Nico   Jager Andre   Delve Robert   Bekunda Mateete   Giller Ken   in Population and Environment

ISSN:0199-0039|31|6|474-506

Springer Publishing Company ‎(2010)‎

Access to resources Favorite 7.5387897