'Jnan, A-Jnan O Bijnan -- Popper-er Jnantatta' (Knowledge, Ignorance and Science -- Popper's theory of knowledge) and 'Samudra Banijjer Prekshite Sthala Banijjer, Bharat Mahasagar Anchal, 1500-1800' (Overland Trade in the Backdrop of Oceanic Trade, Indian Ocean Region) have been written by retired professors of the Calcutta University, Mahasweta Chaudhury and Sushil Chaudhury respectively.
The first book is an epistemology of truth and translation of the works of philosopher Karl Popper, said the author. The second looks into the oceanic trade with a historical perspective.
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