Sudarshan, Gurajala <br/><br/>
Tenses : what? why? and how? /  (a useful for all competitive and academic examinations) / 
by Gurajala Sudarshan; edited by Chakravarthula Varada Chary 
 - Andhra Pradesh :  Maruthi Pub.,  2014 
 - V.1 ;  28 cm. 
<br/><br/>V.1. xi, 218 p. 
<br/><br/><label>ISBN: </label>9788192613215 (pbk.)  Rs.189.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English grammar--Examination, question etc.<br/>English language--Grammar
<br/><br/><label>Dewey Class. No.: </label>425.076