000 00260nam a2200109Ia 4500
008 230421s9999 xx 000 0 eng d
100 _aMalhotra (Vinayak)
245 0 _aMethods of Teaching Science
250 _aI
260 _bCrescent P.C.
942 _2ddc
_cBED
999 _c21316
_d21316