000 00261nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aLB 1028 .F73 1996
100 _aJACK R. FRAENKEL
245 0 _aHOW TO DESIGN AND EVALUATE RESEARCH IN EDUCATION
942 _cBK
999 _c167213
_d167213