Das, Pallabi. Fertility decline in Bengali linguistic region : diffusion theory or beyond / Pallabi Das. - Kolkata : Institute of Development Studies Kolkata, 2017. - 119p HB Standard No.: 13841 [old SOUL v1.0 record id] Subjects--Topical Terms: Human fertility - Statistics - West Bengal Dewey Class. No.: 304.632095414 / D26f