000 00351nam a2200145Ia 4500
008 240624s9999 xx 000 0 und d
041 _aeng
082 _a300.72 YIN
100 _aYIN ROBERT K
245 _aCASE STUDY RESEARCH DESIGN AND METHODS
250 _a(4th ed.)
260 _c2008
_aPublications,2008
300 _a240 : p.
365 _c
_b25
999 _c16171
_d16171