by G. Selvaraj and S. Sathish; edited by S. Niranjan Selvaraj, G. creator Sathish, S. Niranjan S., Ed. text Chennai Sura College of Competition 2018 monographic various pages. 25cm(pbk) 510 978-93-5330-139-2 ENG-128830 DBAD/PUB 20210122154052.0