Thorndyke, Perry W., <br/><br/>
Ability differences and cognitive mapping skill / 
Perry W. Thorndyke, Sarah E. Goldin ; prepared for the United States Army. 
 - xii, 55 pages ;  28 cm. 
 - a A Rand Note ;  N-1667-ARMY .
 - Rand Note ;  N-1667-ARMY .
<br/><br/>Includes bibliographical references (page 53-55). 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographical perception.<br/>Geography--Study and teaching--Evaluation.