000 00269nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aJoshi, M.M.
245 0 _aModern Methods Teaching Science
260 _aNew Delhi
_bCyber Tech
_c2006
300 _a368p.
942 _cBK
999 _c14908
_d14908