Development of feed supplementation strategies for improving the productivity of dairy cattle on smallholder farms in Africa. 

 - Vienna :  IAEA,  1999. 
 - 164 p. :  tabla, diagr. 
<br/><br/> Bibliografía al final de cada artículo 
<br/><br/><label>ISSN: </label>1011-4289 
<br/><br/><label>Standard No.: </label>IAEA-TECDOC-1102