000 00504nam a2200181Ia 4500
005 20250508161043.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a507, VAI
_qFEDL
100 _aVaidya Narendera
_9447712
245 0 _aImpact science teaching
260 _aNew Delhi, India
_bOxford and IBH Publishing Co.
_c1976
300 _a326p.
942 _cTEXL
_h507, VAI
999 _c1368155
_d1368155