DUNCAN MERA <br/><br/>
Guidelines for the safe use of water and excreta in agriculture and aquaculture 

 - 1 
 - Geneva  World health organization  1989 
 - 187 
<br/><br/><label>ISBN: </label>9241542489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacy Practice
<br/><br/><label>Dewey Class. No.: </label>615