Butt, Safdar Ali Essentials of commerce in East Africa / S. A. Butt. - 5th ed. - London : Cassell, 1985. - xi, 270 p. : ill. ; 21 cm. Includes index. ISBN: 0304312657 Subjects--Topical Terms: Commerce. Subjects--Geographic Terms: Africa, East--Commerce. LC Class. No.: HF3899.E3 / .B8 1985