000 00284 a2200121 4500
080 _a301
_bL 693 S
245 1 _aSocial research methods
_cby P.S. Li
260 _aButterworth
_bToronto
_c1981
650 _aSocial Research
100 1 _aLi, P.S.
_d
300 _a151 p.
901 _a156032
999 _c59380
_d59380