00281nam a2200109Ia 450000500170000000800410001708200140005810000170007224500310008926000430012030000080016320260224040937.0260224s9999||||xx |||||||||||||| ||und||  a307.2 GOO  aGoode, W.J.  0aMethods in social research  aNew York: Mc-Graw-Hill Book Co. c1952  a488