By Swamy Vivekananda
Kantamneni Radhakrishna Murthy
Dr Pardhasaradhi Chiruvolu
Nirmaan Organization
Delhi Jaico Publishers
Sri Jiddu Krishna Murthy , Neelamraju Lakshmiprasad
Dale Carnegie , Srinivasa Bharani Godavarthi
Dr.T.S Rao
Swamy Vivekananda
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