Mani, K Ratna Shiela creator Prasad, M Hari Narayana, T. text Andhra Pradesh Ravindra Publishing House 2018 7th monographic 160p. 24cm(pbk) Including tables. K. Ratna Shiela Mani, M Hari Prasad, and T. Narayana 485 978-93-84361-39-6 ENG-128620 DBAD/PUB 20201204162935.0