By Avineni Bhaskar
By Bikumalla Nageswara Siddanti
By Itikala Bhaskar
By Malladi Venkata Krishna Murthy
By Kandukuri Venkata Satya Brahmacharya
By Priyank Narayan
By Rentala Gopala Krishna
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 Bhimeswarao Vemavarapu
By K B Gopalam
By Tadanki Venkata Lakshmi Narasimha Rao
By Dr Chaganti Surya Narayana Murty
By Rachapalem Chandra Shakarareddy
By Simha Prasad
By Adapa Chiranjeevi
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