DUTTA, DR.BHARATI., PARIBESH, PRADUSHAN ARU AMAR BHABISHYAT - 1ST. - DIBRUGARH: SIPA(JIBAN SABHYATAR) MILAN NAGAR., 2011. - 92: 20CM. TRANSFERRED TO Science Library, SGC Subjects--Index Terms: Ecology Dewey Class. No.: 577 DUT