Wheeler, A.C.R. <br/><br/>
The Organization of educational planning in Nigeria / 
Wheeler, A.C.R. 
 - París :  UNESCO ;  IIEP,  1968. 
 - 68 p.;  il. 
 - African research monographs; 13 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014.5 (669)=20 "1968" WHE No.13.