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1by Kocher, J.E., Michigan State Univ., East Lansing (USA). Dept. of Agricultural Economics eng 29335, Fleischer, B.
Published 1979Texto bibliotecaFAO IT -
2by Kocher, J., Harvard Univ., Cambridge, MA (USA). Harvard Inst. for International Development eng 26729, Cash, R.A.
Published MarTexto bibliotecaFAO IT