Rao, V. A. Seshagiri. <br/><br/>
Step By Step Classification :   a formula based Classification / 
V. A. Seshagiri Rao, 
 - New Delhi:  Ess Ess Publications,  2017. 
 - 2 v. [ xvii, 937 p.] :  ill. ;  24 x 15 cm. 
<br/><br/><label>ISBN: </label>9788193359792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CLASSIFICATION 
<br/><br/><label>Dewey Class. No.: </label>025.42  / RAO/S