PARTHASARATHY,K  <br/><br/>
Environmental sanitation 

 - Tiruchirappalli  Bharathidasan University  2007 
 - xi;284;B33p. 
<br/><br/><label>ISBN: </label>9.7801901268e+012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SANITATION  | ENVIRONMENT  | ENVIRONMENT EDUCATION  | HEALTH EDUCATION  | ENVIRONMENTAL STUDIES  | ENVIRONMENTAL SANITATIONRURAL SANITATION