Thakuria, Munindra Nath . Paribesh Adhyayan / Textual Documents Munindra Nath Thakuria...(et al). - 1st ed. / - Bongaigaon : Asami Prakashani , 2004. - 191p. : ill ; 22cm . ISBN: HB Subjects--Index Terms: Biology-Environment Environment G-Biology Dewey Class. No.: 574.5 / Th 32 Pa