Pelc, Karol I. <br/><br/>
Coordinating the forecasts and policies of technological, employment and educational development experiences in Poland :  a synthesis of research and practical experiences and a selected annotated bibliography / 
Karol I. Pelc 
 - Paris :  UNESCO,  1986. 
 - 39 p. 
 - Reports and Studies; C. 113 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014: 331(438) =20 PEL No.113.