Bertrand, André <br/><br/>
Mission on the teaching of the social sciences in Pakistan / 
André Bertrand. 
 - Paris :  UNESCO,  1955. 
 - 40 p. 
 - Reports and papers in the social sciences ;  2. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>372.83 (549) =20 1955BER No.2.