Surinder Kumar, et al. <br/><br/>
UGC-Net/Slet chemical sciences / 
Surinder Kumar, et al. 
 -  Cosmos Bookhive (P) Ltd., New Delhi,  1900 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Study and teaching of education
<br/><br/><label>Dewey Class. No.: </label>370.7 SUR-U