000 00289nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bSHA
100 _aSharma, R.N
245 0 _aStatistical Techniques in Education Research
260 _bSurjeet Pub.
_c2004
300 _a520
942 _cBK
999 _c1434
_d1434