000 00290nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9780335215867
082 _a001.433GIL
100 _aGilham Bill
245 0 _aResearch design
260 _bOpen university press
_c2005
942 _cBK
999 _c461972
_d461972