000 00566nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-69-42
100 _aHilton T L
245 _aCross sectional versus longitudinal data
_ban empirical comparison of mean differences in academic grow
260 _aNew Jersey
_bETS
_c1969
440 _aEducational Testing Service. Princeton : Research bulletin; 42
650 _aEducational tests and measurements
700 _aPatrick Cathleen
_4Auth.
942 _cBK
999 _c92612
_d92612