Cairncross Sandy & Kochar Vijay <br/><br/>
Studying hygiene behaviour : Methods, issues and experiences 

 - Sage, New Delhi  1994 
 - 334p 
<br/><br/><label>ISBN: </label>81-7036-387-X 
<br/><br/><label>Dewey Class. No.: </label>613.072 Cai/ Koc