000 00317nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSiddiqui, Mujibul Hasan
245 2 _aA Hand Book For Teachers:Reasearch In Teaching Of Science And Mathmematics
260 _aNew Delhi
_bAPH
_c2010
300 _a309p.
942 _cBK
999 _c13441
_d13441