00713nam a2200193 a 450000100080000000500110000800800410001902000180006010000250007824500520010326000720015530000110022749000740023850001390031265000100045165000270046170000130048870000180050110316592016-02-19       1993    bl uuuu     u01u1 u    #d  a0-7923-1881-11 aPENNING DE VRIES, F.  aSystems approaches for agricultural development  aDordrecht (The Netherlands): Kluwer Academic Publishers; IRRIc1993  a542 p.  a(Systems approaches for sustainable agricultural development; vol 2).  a(Proceedings of the International Symposium on Systems Approaches for Agricultural Development, 2-6 December 1991, Bangkok, Thailand).  aARROZ  aSISTEMAS DE PRODUCCION1 aTENG, P.1 aMETSELAAR, K.