00565nam a2200181Ia 4500 CTU_143919 210402s9999 xx 000 0 und d 301.35 H195 Halpern, Joel Martin The changing village community Joel M. Halpern Englewood Cliffs, N.J Prentice-Hall 1967 Villages,Rural conditions.,Urbanization,Phát triển nông thôn,Đô thị hóa Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ