000
00281nam a2200109Ia 4500
008
210616s9999 xx 000 0 und d
100
_a
Neuman, W. Lawrence
245
0
_a
Social research methods
260
_c
2006
650
_a
Social Science
_b
Social Problems and Services
942
_c
BK
999
_c
851
_d
851