Gopal, R. <br/><br/>
TNPSC Mathematics Aptitude Test Guide (I,II,IIA,I,AO,III) Exam / 
R.Gopal, J.V. Subramanyam 
 - Chennai :  Sura college of competition ,  2022 
 - 694 pages 
<br/><br/><label>ISBN: </label>9789390024865 
<br/><br/><label>Dewey Class. No.: </label>512.7  / GOP