Hake, Stephen Math 65 : an incremental development / Stephen Hake, John Saxon. - USA : Saxon Publishers, Inc., 1994. - xi, 467 pages : colored, illustration ; 25 centimeter. Includes index. Glossary: pages 461-463. ISBN: 0939798190 Subjects--Topical Terms: Mathematics. Dewey Class. No.: FOR 510 H12m 1994