000 00278nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aJana, Bijaykrishna
245 0 _aManaging Pupil-Learning In Mathematics
260 _aNew Delhi
_bMohit
_c2007
300 _a345p.
942 _cBK
999 _c14394
_d14394