Emery, F M, ed Pugh, D S, ed <br/><br/>
Systems thinking 

 - England  Penguin books ltd  1971 
 - 398 p.; 18cm. 
 - Penguin modern management readings .
<br/><br/><label>ISBN: </label>140800719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory<br/>Systems management