Ribero, Edgar F. <br/><br/>
Improved sanitation & envoronmental health condition:an environment of sulabh int. loe cost sanitation. 

 - Patna :  Sulabh international ,  1987. 
 - 44 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health.<br/>Sanitation.
<br/><br/><label>Dewey Class. No.: </label>363.72  / RIB-i