Bull, A .C. R . Evans secondary mathematics for the 8.4.4 system book 3 / A.C. R. Bull, J. N. Busbridge, V. W .Feris - Nairobi, Kenya : Evans Brothers ( Kenya ) Limited ; 1983. - xiii, 337 pages ISBN: 0237510111 Subjects--Topical Terms: Mathematics Dewey Class. No.: J 510.7 .BUL 1983