By Mythili Venkateswara Rao
By Karamgula Manohar
By Jhansi Kopisetty
By B Chandra Kumar
By Puchaa Srinivasa Rao
By Dr Gadam Gopalaswamy
By Brahmasri G.V Sarma
By Anandacharyulu And Translated By Ambatipudi Venkataratnam
By Bolloju Baba
By Gita Ramaswamy
By Bhamidipati Jagannadha Rao
By Emani Shivanagireddy
By Dr Bharathi
By Multiple Authors (Goteti Lalitha Sekhar, Dr. M.V.J.Bhuvaneswara Rao, Vadali Radha Krishna, Dr. Tangirala Meera Subrahmanyam)
By Dr Vavilala Subbarao
By Tadanki Venkata Lakshmi Narasimha Rao
By D.Chandrasekhara Reddy
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