Yee, Lee Peng, ed. & Hoe, Lee Ngan, ed. Teaching Secondary School Mathematics: A Resource Book By Lee Peng Yee, Ed. Lee Ngan Hoe, Ed. - Singapore McGraw Hill Education 2009 - xx, 418 pages, 24 cm. includes index ISBN: 978-007-126849-3 Dewey Class. No.: 510.07 T22 2009