| 000 | 00379nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20250913131745.0 | ||
| 008 | 250913s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aEnglsih | ||
| 100 | _aBatty, M. J. | ||
| 245 | 0 | _aPrimary Mathematics Unit | |
| 260 |
_aSri Lanka : _bNational Institute of Education, _c2000 |
||
| 300 |
_a26p.; _c30cm |
||
| 650 | _aProject Report | ||
| 942 | _cPJ | ||
| 999 |
_c157080 _d157080 |
||