00454nam a2200157 a 450000100080000000500110000800800410001902000180006010000150007824500770009326000410017030000110021165000250022265000260024765300230027310193762014-02-22       2001    bl uuuu     u00u1 u    #d  a0-471-89489-31 aWILSON, B.  aSoft systems methodologybconceptual model building and its contribution  aChichester (Inglaterra): Wileyc2001  a260 p.  aANALISIS DE SISTEMAS  aMETODOS DE SIMULACION  aTEORIA DE SISTEMAS