Raju, P. V. Rama <br/><br/>
Enviromental sanitation :  social and preventive medicine / 
P. V. Rama Raju and K. V. S. G. Murali Krishna 
 - Kakinada :  National Institute of Ecology and Enviroment,  [n.d.] 
 - 156 p. ;  22 cm. 
<br/><br/> Environmental protection society 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation<br/>Environmental protection<br/>Environmental health
<br/><br/><label>Dewey Class. No.: </label>363.72