Armstrong, Robert J. <br/><br/>
The development and evaluation of behavioral objectives 
Armstrong Robert J.  [et.all] 
 - Ohio:  Charles A. Jones,  1970. 
 - x, 99p. 
<br/><br/> PBK 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-Aims and objectives
<br/><br/><label>Dewey Class. No.: </label>370.11  / ARD