PSPAB: PRIVACY-PRESERVING AVERAGE PROCUREMENT BIDDING SYSTEM WITH DOUBLE-SPENDING CHECKING.


Sustainability of agroecological interventions in small scale farming systems in the Western Highlands of Guatemala

The Western Highlands of Guatemala are dominated by small-scale farming in indigenous communities.Mountain conditions and overpopulation have led to expansion of the agricultural frontier with consequent degradation, decreasing yields, poverty Gameboy Color and malnutrition.Several non-government organizations (NGO) have carried out interventions t

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