By K Lalitha
By Magjim Gorki Madhar , M A Ramanareddy
By Gurram Jashuva
By Ivaturi Muthiraju Sharma , Ivaturi Ayyanna , Puchha Srinivasarao
By Etakota Subbarao , Kosuru Ratnam
By R V Ramarao
By Sadhrusya
By Dr. Kalidasu Purushottam
By Sakhamuri Siva Rambabu M Sc Ph D , Srimathi Madamanchi Arjuna Devi M A
By Koutha Markandeya Sastry
By George S Clasan , Vemuri Ayubabu
By Pendyala Satyanarayana
By Rallapalli Anantakrishna Sarma
By Khadar Mohiyuddin
By Dr Kathi Padmarao
By Visalaandhra Publishing House
By Sai Ganapathi Reddy
By Multiple Authors Nemani, Tangirala, Pidaparthy
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