Otaala, Barnabas. <br/><br/>
The development of operational thinking in primary school children;  an examination of some aspects of Piaget's theory among the Iteso children of Uganda. 

 - New York,  Teachers College Press  [1973] 
 - Publications of the Center for Education in Africa .
 - Columbia University. Center for Education in Africa. Publications.  Columbia University. Center for Education in Africa. Publications.  Columbia University. Center for Education in Africa. Publications. .
<br/><br/>Thesis--Columbia University. 
<br/><br/>Bibliography: p. 91-96. 
<br/><br/><label>LCCN: </label>72090520 
<br/><br/><label>Subjects--Personal Names: </label><br/>Piaget, Jean, 1896- Piaget, Jean, 1896- 
<br/><br/><label>LC Class. No.: </label>LB775.P49  / O85 
<br/><br/><label>Dewey Class. No.: </label>370.15/2