The Education for all teacher-training package, volume 1 / 
Edited by Sheila M. Haggis. 
 - Paris  UNESCO,  1995 
 - 2 vol.  il. 
 - ED-95/WS/1 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.018.8 (100) =20 "1995" EDU Vol.1