Research strategies for evaluating training. 
Edited by Philip H. DuBois [and] G. Douglas Mayo.  
 - Chicago,  Rand McNally  [1970]  
 - ix, 152 p  illus  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements.<br/>Occupational training--Evaluation.
<br/><br/><label>LC Class. No.: </label>LB1131  / .R44