000 00410nam a2200169Ia 4500
008 180323s9999 xx 000 0 und d
020 _a9.7881882832e+012
082 _a300.17
100 _a   Soni, Anju
245 0 _aTeaching of science
250 _a1st
260 _aNew Delhi
_bIndian Pub.House
300 _aNot covered syllabus
500 _a2043
650 _aScience - Teaching
942 _cBOOK
999 _c7850
_d7850