Development of secondary education :  trends and implications. 

 - 183 pages :  tables ;  24 cm 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>LCCN: </label>73422614 
<br/><br/><label>Nat. Bib. No.: </label>F*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Secondary
<br/><br/><label>LC Class. No.: </label>LB1607  / .O74 1969