000 00752nam a2200193Ia 4500
005 20250508155802.0
008 008 250505s9999 xx 000 0 eng d
037 _aDissertations
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a540.7, GUP/DI
_qFEDL
100 _aGupta Pramod Kumar
_9524473
245 0 _aConstruction of a programmed text on 'electronic theory of valency' (Chemistry) for class 10th of Haldwani, distt, (Nainital) and finding out experimentally the effectiveness of high and low achievers in chemistry as compared to class room teaching
260 _c1976
300 _a92p.
546 _aM. Ed. Dissertation (Delhi University)
942 _cDIS
_h540.7, GUP/DI
999 _c1359285
_d1359285