Duggal.K.N. <br/><br/>
Elements Of Public Health Engineering.(1977) 

 - 1st Ed. 
 -  S. Chand and Company Ltd.  1977 
 - 386p.  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>CIVI
<br/><br/><label>Index Terms--Genre/Form: </label><br/>C-12
<br/><br/><label>Dewey Class. No.: </label>25D-443  / DUG