00363nam a2200121Ia 4500008004100000082001800041100001900059245003600078250000900114260003700123300000600160650007500166150614s9999    xx            000 0 und d  a300.72  BAB-P  aEarl R. Babbie  aThe Practice of Social Research  a2-ED  bWadsworth Pub. Co. Californiac0  a0  aThe Practice of Social Research  Earl R. Babbie,Social science reseach