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Agricultural Economics > 48 > 3 > 363 - 372
Energy for Sustainable Development > 2008 > 12 > 3 > 34-39
Health policy > 2006 > 77 > 1 > 2-23
Agricultural Economics > 48 > 3 > 363 - 372
Energy for Sustainable Development > 2008 > 12 > 3 > 34-39
Health policy > 2006 > 77 > 1 > 2-23