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1The doubly green revolution food for all in the twenty - first century The doubly green revolution food for all in the twenty - first centuryby Conway, Gordon R. autor/a
Published 1997Texto bibliotecaECOSUR -
2by McCracken, Jennifer A. autor/a, Pretty, Jules N. autor/a, Conway, Gordon R. autor/a
Published 1988Texto bibliotecaECOSUR