000 00629nam a2200217Ia 4500
005 20250508161504.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a507, NCE
_qFEDL
100 _aSharma B K
245 0 _aImprovising science teaching kits for schools
245 0 _cNCERT
260 _aNew Delhi, India
_bNational Council of Educational Research and Training
_c1972
300 _a108p.
650 _aScience teaching
700 _a Bukhalov B I
_9770798
942 _cTEXL
_h507, NCE
999 _c1370270
_d1370270