By Malladi Venkata Krishna Murthy
By Kandukuri Venkata Satya Brahmacharya
By Dr Manjuluri Narasimharao
By Kampalle Ravichandran
By Sudha Murty
By Tadanki Venkata Lakshmi Narasimha Rao
By V.V.Ramarao
By P.V.R.K.Prasad
By Paul De Kruif And Translated By Jammi Koneti Rao
By Carl Sagan And Translated By V.Srinivasa Chakravarthy
By Sujatha Velpuri
By Thenneti Suri
By Bhimeswarao Vemavarapu
By K B Gopalam
By Aavatapalli Narayana Rao
By Rasaraju
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