000 00284nam a2200121Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aWilliam Wiersima
245 0 _aResearch Methods In Education
250 _a3RD(1985)
300 _a354
650 _aMedical Education
942 _cGB
999 _c3092
_d3092