00700nam a2200229Ia 4500 CTU_152540 210402s9999 xx 000 0 und d 1765000 361.10973 M818/5th Mooney, Linda A. Understanding social problems Linda A. Mooney, David Knox, Caroline Schacht Belmont, CA Thomson Higher Education 2007 Social problems,Các vấn đề xã hội,Hoa Kỳ Điều kiện xã hội 1980 United States,Hoa Kỳ Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ