000 00426nam a2200157Ia 4500
008 160902s9999 xx 000 0 und d
040 _cPK-GjGUL
082 _a510
_bASH-T
100 _a"Iqbal, Ashraf"
245 0 _aTeaching science and mathematics
_bdiscovery based learing
260 _aPakistan
_bLahore University Of Management Sciences
_c2003
300 _a0
546 _aeng
700 _a"Yasser, Hasmi"
942 _cBK
999 _c6405
_d6405