Structured systems analysis   : tools and techniques 
/ Christopher P. Gane, Trish Sarson 
 - Englewood Cliffs, N. J.   : Prentice-Hall  , 1979 
 - xii, 241p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Sarson, Trish
<br/><br/><label>Subjects--Topical Terms: </label><br/>Análisis de sistemas.<br/>Procesamiento de datos.