Deregowski, J. B. <br/><br/>
Performance on a sorting task with various modes of representation :    a cross-cultural experiment /  
by J. B. Deregowski and R. Serpell . 
 - Lusaka :    Human Development Research unit,    1971. 
 - 19 p. :    tables. 
 - H. D. R. U. reports;    18 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Culture diffusion<br/> Color -- Psychology<br/> Mental tests