00341nam a2200097Ia 4500008004100000020000600041100003000047245003700077999001900114952011000133211105s9999    xx            000 0 und d  a"  a BABBIE, Earl R.  986569 4aThe practice of social research   c606494d606493  00104070aERMELLbERMELLd2021-11-08g270.00l0oST 300.72 BABBp33228012774301r2021-11-08w2021-11-08