By C S Rao
By Ramachandra Guha
By Dr Rentala Sri Venkateswara Rao
By Akula Malleswararao
By Kambhampati Satyanarayana
By Dr G V Purnachandu
By Garimella Balakrishna Prasad
By Subhadra Sen Gupta , K Suresh
By Satya Nadella And Translated By Vemuri Ramanjanee Kumari
By Kmaanduru Nrusimhacharyulu
By S K Rama Chandrarao, Gutti Chandra Shekara Reddy
By Chandakacharla Ramesh Babu
By A Rangareddy
By Akkiraju Ramapathi Rao
By Sri Raavi Mohanrao
By Tirumala Ramachandra
By Bendalam Krishna Rao
By A R Chandramouli
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