共 44 条
[1]
ANDREWS P, 2003, MICROMATH, V19, P8
[2]
[Anonymous], ELEMENTARY ED ONLINE
[3]
[Anonymous], 2000, PRINC STAND SCH MATH
[4]
[Anonymous], 1989, CURR EV STAND SCH MA
[5]
BAKI A, 2000, 4 UL FEN BIL EG K 6
[6]
BRIGHT GW, 1989, ARITHMETIC TEACHER, V36, P52
[8]
CINAR C, 2003, EXCEL ILE MATEMATIK
[9]
Creswell J. W., RES DESIGN QUALITATI