000 00281nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aPrasad, Janardan
245 0 _aPractical Aspects In Teaching Of Science
260 _aNew Delhi
_bKanishka
_c2006
300 _a224p.
942 _cBK
999 _c14666
_d14666