By Sai Ganapathi Reddy
Aditya Narayana
Sai Trishakthi Nilayam
P.Narasimha Rao
Putcha Srinivasa Rao
K S Krishana Murty Garu
Chakravarthula Srinivasacharyulu
.
Stephen Hawking (Translated By Vijaya Kumar, A.Gandhi)
Sai Ganapathi Reddy
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