Gupta, M.K. <br/><br/>
Waste water management 

 - New Delhi  Arihant books  2022 
 - 240p. 
<br/><br/><label>ISBN: </label>9789556090705 
<br/><br/><label>Standard No.: </label>121535 
<br/><br/><label>Subjects--Index Terms: </label>Environmental studies EVS 
<br/><br/><label>Dewey Class. No.: </label>628.162  / GUP