Health and environment library modules : environmental health : general issues = Modules documentaires sante environnement : salubrite de l` environnement : generalites. 

 - 9p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health--Bibliography<br/>Library collection development<br/>Information services<br/>Water supply
<br/><br/><label>LC Class. No.: </label>2nd rev. ed.