000 00281nam a2200121Ia 4500
100 _aLewis D.G.
020 _a340 07869 3
942 _cBK
245 _aStatistical methods in education
260 _aUniversity of London press, London
_c1969
082 _a370.83 Lew
300 _a198p.
999 _c674
_d674