Binoy, Ghosh . Samayik patre banglar samajchitra / by Binoy Ghosh. - Kolkata : Papyrus , 1980. - x,410p. : ills.,photos ; 22cm . - Vol.no.4- NULL ISBN: RS.40.00 (Hb) Subjects--Index Terms: BENGALI LINGUISTIC,SOCIETY Dewey Class. No.: 891.4409 / GHO/S