Cerych, Ladislav. <br/><br/>
The Integration of external assistance with educational planning in Nigeria / 
Ladislav Cerych. 
 - Paris :  UNESCO,  1967. 
 - 78 p. ;  tabl. 
 - African research monographs; 14 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014.5 (669)=20 "1967" CER No.14.