Butt, Safdar Ali Essentials of commerce in East Africa / Safdar Ali Butt - 5th ed. - Eastbourne : Cassell, 1985. - xi, 270 p. : ill. ; 22 cm. Previous edition: 1982 Includes index eng ISBN: 0304312657 TZS 8,500/= Subjects--Topical Terms: Commerce--Africa, East Dewey Class. No.: 380.109676 BUT