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Dr. Sushmita
Dr. Sushmita, Pracheen Bharat Mein Lohe Ke Puratanta Udhabahav aur Vikas , PrathiviĀ publication, 2015, ISBN - 978-81-86845-32-1
Mr. Rajeev Gupta
Mr. Rajeev Gupta, Sabse Pahle Bharat , , Rupa Publication New Delhi,2014 ,ISBN-978-81-291-3558-2