Akhtar, Parveen R. . A Text book of Higher Secondary Education: For 1st Year / Textual Documents Parveen R.Akhtar...(et al). - 2nd ed. / - Guwahati : Assam Book Depot , 2006. - 227p. : ill ; 22cm . Subjects--Index Terms: Education G-Education Dewey Class. No.: 370 / Ak 47 Te