Lester, FK;
Wiliam, D;
Lester Jr, FK;
(2002)
On The Purpose of Mathematics Education Research: Making Productive Contributions to Policy and Practice.
In: English, LD and Bussi, MB and Jones, GA and Lesh, RA and Tirosh, D, (eds.)
Handbook of International Research in Mathematics Education.
(pp. 489-506).
Lawrence Erlbaum Associates: Mahwah, New Jersey.