000 00364nam a2200145Ia 4500
008 210301b2011 xxu||||| |||| 00| 0 eng d
100 _aKULSHRESHTHA, S. P
245 _aTEACHING OF SCIENCE.
260 _aMEERUT
_bR. LALL
_c2011.
300 _a510
500 _aB. ED
690 _aTEACHING OF SCIENCE.
690 _aB. ED
690 _aFACULTY OF EDUCATION
690 _aMRU
905 _aBooks
906 _aMRU
907 _a147054
999 _c232627
_d232627