National environmental health programmes: their planning, organization, and administration: report of a WHO expert committee 
by World Health Organization 
 - Geneva  World Health Organization  1970 
 - 56p 
 - Technical report series; 439 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health --Administration.
<br/><br/><label>Dewey Class. No.: </label>X8 W893