Research for curriculum improvement :   1957 yearbook. 

 - Washington D. C. :  Association for Supervision and Curriculum Development,  c 1957. 
 - x, 350 p. :  ill. ;  24 cm. 
<br/><br/>314  314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmes Research.<br/>Curriculum.
<br/><br/><label>Dewey Class. No.: </label>375.058 / R311w