| 000 | 00434nam a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | 139629 | ||
| 008 | 170722s9999 xx 000 0 und d | ||
| 100 | _aHelen Joy, B. H. | ||
| 245 | _aDiagnosis of errors and development of remedial materials for teaching chemistry at vocational higher secondary level / | ||
| 502 | _aThesis (Ph.D.)-- Eduation, University of Kerala | ||
| 653 | _aEducation | ||
| 653 | _aPhd Thesis | ||
| 942 | _cTH | ||
| 999 |
_c166146 _d166146 |
||