Readings in the theory of educational systems / 
edited by Earl Hopper. 
 - London :  Hutchinson University Library,  1971. 
 - 336 p. ;  23 cm. 
 - Hutchinson university library. .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0091092302 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Philosophy.