Butt, S. A. Essentials of commerce in East Africa / S. A. Butt. - 5th ed. - London : Cassell, 1985. - xi, 270 p. ISBN: 0304312657 : KES 400 Subjects--Topical Terms: Commerce. Subjects--Geographic Terms: Africa, East--Commerce. LC Class. No.: HF3879 / .B88 1985