Singh, S.K. <br/><br/>
Environmental science 
S.K. Singh 
 - New Delhi:  Random Pub.,   c2023 
 - x, 296 p.   ill.  24 cm. 
<br/><br/>Includes bibliography & index. 
<br/><br/><label>ISBN: </label>9788196071929 (cb.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.<br/>Ecology.