| 000 | 00454nam a2200169Ia 4500 | ||
|---|---|---|---|
| 005 | 20250303122405.0 | ||
| 008 | 250303s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aEnglish | ||
| 100 | _aDissanayake, D.A. | ||
| 245 | 2 | _aA study of student disciplinary problems in the year 10 class in schools Colombo district | |
| 260 | _aMeepe | ||
| 260 | _c1993 | ||
| 300 | _a59p. | ||
| 502 |
_cNIE _bPGDEM _d1993 |
||
| 650 | _aStudent discipline | ||
| 942 | _cTH | ||
| 999 |
_c146185 _d146185 |
||