7Huang R J. Mathematics Teaching in Hong Kong and Shanghai: A Classroom Analysis from the Perspective of Variation [M]. Hong Kong: The University of Hong Kong, 2002.
8Wong N Y. Confucian Heritage Cultural Learner's Phenomenon: From "Exploring the Middle Zone" to "Constructing a Bridge" [R].The Fourth ICMI-East Asia Regional Conference on Mathematical Education, Penang, 2007-06-18.