Wieczorek, Tadeusz <br/><br/>
Elements of the structure and terminology of agricultural education in Poland / 
Tadeusz Wieczorek. 
 - París :  UNESCO,  1984. 
 - 92 p. :  il. 
 - Structures of agricultural education .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>63(07) (438)=20 WIE.