000 00319nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSiddiqui, Mujibul Hasan
245 2 _aA Handbook For Teachers: Research In Teaching Of Science And Mathematics
260 _aNew Delhi
_bA.P.H.
_c2010
300 _a309p.
942 _cBK
999 _c13544
_d13544