Butt, Safdar Ali. Essentials of commerce in East Africa / S. A. Butt. - 5th ed. - London : Cassell publishing limited, c1985. - x, 225 p. : ill., forms ; 22 cm. Includes index. ISBN: 00304312657 TZS 7,551.96/= 0304312657 Subjects--Topical Terms: Commerce. Dewey Class. No.: 380.109676 BUT