000 00262nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bKHA
100 _aKhan, M.S
245 0 _aEducational Research
260 _bAshish Pub.
_c2004
300 _a164
942 _cBK
999 _c1298
_d1298