A report on all India seminar on rural environmental sanitation :  (February 2-3,1962) / 

 - Lucknow :  Director Planning research and action institite planning department,  1962. 
 - 214 p, ;  22 cm. 
<br/><br/>310  310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sanitation.
<br/><br/><label>Dewey Class. No.: </label>628.106 / U8t