000 00861nam a2200241Ia 4500
003 OSt
005 20220930194919.0
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024 _a13377
037 _cDissertations
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
100 _aRoll No. 28
_9563718
110 _aUniversity of Delhi. Faculty of Education. Department of Education
245 0 _aConstruction of a program on chemistry for class X of H.S. Schools Delhi and finding out experimentally the effectiveness of the program on high and low achievers in chemistry as compared to class-room teaching
260 _c1968
650 _aEDUCATION
700 _aUniversity of Delhi. Faculty of Education. Department of Education
942 _cDIS
_2CC
999 _c898305
_d898305