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Human Ecology > 2015 > 43 > 2 > 255-266
Agriculture, Ecosystems and Environment > 2004 > 104 > 1 > 87-97
Agricultural Economics > 2001 > 25 > 1 > 85-101
Human Ecology > 2015 > 43 > 2 > 255-266
Agriculture, Ecosystems and Environment > 2004 > 104 > 1 > 87-97
Agricultural Economics > 2001 > 25 > 1 > 85-101