The integrated use of technology in the teaching and learning of place value / by Berlin, Donna F., White, Athur L., Wilcox, Joan Frances, Lind, Ingemar, Mohini Mohamed, 1958-, Hazimah Abdul Hamid, Yudariah Mohammad Yusof, South East Asian Conference on Mathematical Education (5th : 1990 : Universiti Brunei Darussalam, Bandar Seri Begawan, Brunei Darussalam)