World yearbook of education 1989 :  health education. 

 - Great Britain :  Biddles Ltd, Guildford,  1989. 
 - 351 p. 
 - World yearbook of education .
<br/><br/><label>ISBN: </label>1850917353 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>371.7 (100) =20 "1989" WOR.