00311nam a2200121Ia 4500008004100000040001600041041001200057082001800069100002200087245003100109260003100140300001800171230917s9999||||xx |||||||||||||| ||und||  e83223aMAIN  aEnglish  a301.072 B153M  aBailey, Kenneth D 0aMethods of social research  aNew YorkbFree Pressc1978  axviii, 478 p.