Balasubramaniyan,K. creator Priya, S.Usha Hema,K. text Trichy Learntech Press 2007 monographic xi, 114p. : 22cm(Hb) ill. 400 Objective Tyoe Questions with Answers by K.Balasurbramaniyan, S.Usha Priya [and] K.Hema 000 978819039365 ENG-121493 DBAD/PUB 20171120144556.0