Das, Bhuban Mohan . Prathamik Bigyankuch / Textual Documents Bhuban Mohan Das. - 1st ed. / - Guwahati : Assam Bigyan Samiti , 1983. - 200p. ; 26 cm.. - Vol. III- ISBN: Rs. 50.00 (Hard) Subjects--Index Terms: T/G-Pure Science Dewey Class. No.: 500.1 / Da 74 Pr