Chowdhury, Fatema Essentials of Number Theory : Fatema Chowdhury, Munibur Rahman Chowdhury - 1st Edn. - Dhaka ® PI Publicatioin c2005 - [v] , 224p . : 24cm . Mathematics . Includes Index . ISBN: 9843228367 Subjects--Topical Terms: MathematicsMath Dewey Class. No.: 515/ C4595e/ 2005