Instituto Interamericano de Cooperación para la Agricultura | Resultados, nuestro compromiso

  •     Inter-American Institute for Cooperation
       on Agriculture
  •   Agriculture: A priority for sustainable
      development in the Americas
Ehui, S.K. Spencer, D.S.C.

Indices for measuring the sustainability and economic viability of farming systems - Ibadan (Nigeria) 1991 - 28 p. - RCMP Research Monograph (IITA) no. 3 .