Schwarz, Paul A <br/><br/>
Ability testing in developing countries :  a handbook of principles and techniques/  by Paul A. Schwarz and Robert E. Krug 

 - Praeger :  New York,  1972 
 - xviii, 244 p.:  ill.;  25 cm. 
<br/><br/> Based on an 8 year program of research and development conducted by the American Institutes for Research. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>70-182993 //r852 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational aptitude tests<br/>Ability--Testing<br/>Vocational guidance--Developing countries