000 00401nam a2200145Ia 4500
999 _c15997
_d15997
082 _a300.724 BLA-;
100 _aBlalock, Hubert M.
245 0 _aIntroduction to social research
260 _aNew Jersey
_bPrentice-Hall
_c1970
300 _a120p.
440 _aPrentice-Hall general sociology series
650 _aSocial sciences - Experiments
650 _aSocial sciences - Research
942 _cBK