Churchman, C. West. <br/><br/>
El enfoque de sistemas. 

 - Mexico, Mexico   Diana.  1979 
 - 270 p. 21 cm.     
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANALISIS DE SISTEMAS (ADMINISTRACION).
<br/><br/><label>Dewey Class. No.: </label>658.4032/Ch475e