Serpell, Robert. <br/><br/>
Frames of reference for copying orientation :    a cross cultural st udy /    y Robert Serpell and Jan B. Deregowski. 

 - [Lusaka] :    Human Development Research Unit, University of Zambia,    1971. 
 - 14, [5] leaves :    ill. ;    26 cm. 
 - H.D.R.U. reports ;    no. 19 .
<br/><br/>Includes bibliographical references (leaves [16]-[17].) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Form perception.<br/> Orientation (Psychology).<br/> Cognition in children.<br/> Children -- Zambia.<br/> Child study.
<br/><br/><label>Dewey Class. No.: </label>155.4